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@@ -77,7 +77,7 @@
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<div id="content-inner">
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<aside id="sidebar" role="navigation">
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<div class="inner">
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<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link current">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
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<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link current">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
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</div>
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</aside>
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<article class="article-container" itemscope itemtype="http://schema.org/Article">
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@@ -92,10 +92,19 @@
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</header>
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<div class="article-content" itemprop="articleBody">
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<p>在 <a href="/tutorials/register-filters-tags.html">注册过滤器和标签</a> 里介绍过,可以在函数参数里直接获得过滤器的参数:</p>
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<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// Usage: {{ 1 | add: 2, 3 }}</span></span><br><span class="line"><span class="comment">// Output: 6</span></span><br><span class="line">engine.registerFilter(<span class="string">'add'</span>, <span class="function">(<span class="params">initial, arg1, arg2</span>) =></span> initial + arg1 + arg2)</span><br></pre></td></tr></table></figure>
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<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// Usage: {{ 1 | add: 2, 3 }}</span>
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<span class="token comment">// Output: 6</span>
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engine<span class="token punctuation">.</span><span class="token function">registerFilter</span><span class="token punctuation">(</span><span class="token string">'add'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">initial<span class="token punctuation">,</span> arg1<span class="token punctuation">,</span> arg2</span><span class="token punctuation">)</span> <span class="token operator">=></span> initial <span class="token operator">+</span> arg1 <span class="token operator">+</span> arg2<span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
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<p>但有些过滤器还需要访问当前上下文的变量,比如把 URL 路径转换为完整的 URL 时,需要访问上下文的 <code>origin</code> 变量:</p>
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<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// Usage: {{ '/index.html' | fullURL }}</span></span><br><span class="line"><span class="comment">// Scope: { origin: "https://liquidjs.com" }</span></span><br><span class="line"><span class="comment">// Output: https://liquidjs.com/index.html</span></span><br><span class="line"></span><br><span class="line">engine.registerFilter(<span class="string">'fullURL'</span>, <span class="function"><span class="keyword">function</span> (<span class="params">path</span>) </span>{</span><br><span class="line"> <span class="keyword">const</span> origin = <span class="built_in">this</span>.context.get([<span class="string">'origin'</span>])</span><br><span class="line"> <span class="keyword">return</span> <span class="keyword">new</span> URL(path, origin).toString() </span><br><span class="line">})</span><br></pre></td></tr></table></figure>
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<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// Usage: {{ '/index.html' | fullURL }}</span>
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<span class="token comment">// Scope: { origin: "https://liquidjs.com" }</span>
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<span class="token comment">// Output: https://liquidjs.com/index.html</span>
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engine<span class="token punctuation">.</span><span class="token function">registerFilter</span><span class="token punctuation">(</span><span class="token string">'fullURL'</span><span class="token punctuation">,</span> <span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token parameter">path</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">const</span> origin <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>context<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token string">'origin'</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
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<span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">URL</span><span class="token punctuation">(</span>path<span class="token punctuation">,</span> origin<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
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<p>见这个 JSFiddle:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/ctj364up/1/">http://jsfiddle.net/ctj364up/1/</a>。</p>
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<blockquote class="note warn"><strong class="note-title">箭头函数</strong><p>在箭头函数里 <code>this</code> 会绑定到当前 JavaScript 上下文,你需要用 <code>function(){}</code> 来替代 <code>()=>{}</code> 语法,才能正确地访问 <code>this.context</code>。</p>
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@@ -104,7 +113,7 @@
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</div>
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<footer class="article-footer">
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<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
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<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
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<a href="register-filters-tags.html" class="article-footer-prev" title="注册标签/过滤器"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="parse-parameters.html" class="article-footer-next" title="参数解析"><span>下一页</span><i class="icon-chevron-right"></i></a>
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</footer>
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</div>
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@@ -151,7 +160,7 @@
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</ul>
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<div class="mobile-sidebar-list">
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<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link current">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
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<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link current">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
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</div>
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</div>
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<div id="content-inner">
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<aside id="sidebar" role="navigation">
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<div class="inner">
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<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link current">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
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<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link current">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
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</div>
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</aside>
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<article class="article-container" itemscope itemtype="http://schema.org/Article">
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<p>LiquidJS 在这一方面比较灵活,提供了多种不同的方式来达到提升性能的目的。</p>
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<h2 id="手动缓存" class="article-heading"><a href="#手动缓存" class="headerlink" title="手动缓存"></a>手动缓存<a class="article-anchor" href="#手动缓存" aria-hidden="true"></a></h2><p><a href="../../api/classes/liquid_.liquid.html#parse">.parse()</a>, <a href="../../api/classes/liquid_.liquid.html#parseFile">.parseFile()</a>, <a href="../../api/classes/liquid_.liquid.html#parseFileSync">.parseFileSync()</a> API 可以用来把字符串或文件解析成模板。得到的模板可以用不同的数据去重复地渲染得到不同的 HTML。</p>
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<p>从字符串解析:</p>
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<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> tpl = engine.parse(<span class="string">'{{name | capitalize}}'</span>);</span><br><span class="line"></span><br><span class="line">engine.renderSync(tpl, {<span class="attr">name</span>: <span class="string">'alice'</span>}) <span class="comment">// 'Alice'</span></span><br><span class="line">engine.renderSync(tpl, {<span class="attr">name</span>: <span class="string">'bob'</span>}) <span class="comment">// 'Bob'</span></span><br></pre></td></tr></table></figure>
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<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> tpl <span class="token operator">=</span> engine<span class="token punctuation">.</span><span class="token function">parse</span><span class="token punctuation">(</span><span class="token string">'{{name | capitalize}}'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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engine<span class="token punctuation">.</span><span class="token function">renderSync</span><span class="token punctuation">(</span>tpl<span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'alice'</span><span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token comment">// 'Alice'</span>
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engine<span class="token punctuation">.</span><span class="token function">renderSync</span><span class="token punctuation">(</span>tpl<span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'bob'</span><span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token comment">// 'Bob'</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
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<p>从文件解析:</p>
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<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> tpl = engine.parseFileSync(<span class="string">'hello'</span>); <span class="comment">// contents of `hello.liquid`: {{name}}</span></span><br><span class="line"></span><br><span class="line">engine.renderSync(tpl, {<span class="attr">name</span>: <span class="string">'alice'</span>}) <span class="comment">// 'Alice'</span></span><br><span class="line">engine.renderSync(tpl, {<span class="attr">name</span>: <span class="string">'bob'</span>}) <span class="comment">// 'Bob'</span></span><br></pre></td></tr></table></figure>
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<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> tpl <span class="token operator">=</span> engine<span class="token punctuation">.</span><span class="token function">parseFileSync</span><span class="token punctuation">(</span><span class="token string">'hello'</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// contents of `hello.liquid`: {{name}}</span>
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engine<span class="token punctuation">.</span><span class="token function">renderSync</span><span class="token punctuation">(</span>tpl<span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'alice'</span><span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token comment">// 'Alice'</span>
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engine<span class="token punctuation">.</span><span class="token function">renderSync</span><span class="token punctuation">(</span>tpl<span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'bob'</span><span class="token punctuation">}</span><span class="token punctuation">)</span> <span class="token comment">// 'Bob'</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
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<p>上述代码中字符串或文件只被解析了一次,可以反复利用去渲染不同的数据。有很多模板文件时可以把 <code>tpl</code> 变量存在 <code>Map</code> 中,后续再 <code>.render()</code> 时直接从 Map 中拿出解析好的模板去渲染。</p>
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<h2 id="cache-选项" class="article-heading"><a href="#cache-选项" class="headerlink" title="cache 选项"></a><code>cache</code> 选项<a class="article-anchor" href="#cache-选项" aria-hidden="true"></a></h2><p>如果你只用 <code>.renderFile()</code> 和 <code>.renderFileSync()</code> 也可以直接设置 [cache][cache] 选项,LiquidJS 会帮你缓存。</p>
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<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> { Liquid } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>);</span><br><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">cache</span>: <span class="literal">true</span></span><br><span class="line">});</span><br><span class="line"></span><br><span class="line"><span class="comment">// LiquidJS 将会解析 hello.liquid 然后用 {name: 'alice'} 渲染它</span></span><br><span class="line">engine.renderFileSync(<span class="string">'hello'</span>, {<span class="attr">name</span>: <span class="string">'alice'</span>})</span><br><span class="line"></span><br><span class="line"><span class="comment">// LiquidJS 会找到上次 hello.liquid 解析的结果模板,再用 {name: 'bob'} 渲染它</span></span><br><span class="line">engine.renderFileSync(<span class="string">'hello'</span>, {<span class="attr">name</span>: <span class="string">'bob'</span>})</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
cache<span class="token operator">:</span> <span class="token boolean">true</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
|
||||
<span class="token comment">// LiquidJS 将会解析 hello.liquid 然后用 {name: 'alice'} 渲染它</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">renderFileSync</span><span class="token punctuation">(</span><span class="token string">'hello'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'alice'</span><span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
|
||||
<span class="token comment">// LiquidJS 会找到上次 hello.liquid 解析的结果模板,再用 {name: 'bob'} 渲染它</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">renderFileSync</span><span class="token punctuation">(</span><span class="token string">'hello'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'bob'</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="use-in-expressjs.html" class="article-footer-prev" title="Express.js 中使用"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="register-filters-tags.html" class="article-footer-next" title="注册标签/过滤器"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -154,7 +169,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link current">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link current">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link current">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link current">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -508,7 +508,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:36.413Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:26:10.777Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="migrate-to-9.html" class="article-footer-prev" title="迁移到 LiquidJS 9"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="differences.html" class="article-footer-next" title="与 Shopify/liquid 的不同"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -555,7 +555,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link current">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link current">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link current">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link current">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -93,10 +93,10 @@
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<h2 id="Star-on-Github-👉" class="article-heading"><a href="#Star-on-Github-👉" class="headerlink" title="Star on Github 👉 "></a>Star on Github 👉 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs"><img src="https://img.shields.io/github/stars/harttle/liquidjs?style=flat-square" alt="harttle/liquidjs"></a><a class="article-anchor" href="#Star-on-Github-👉" aria-hidden="true"></a></h2><p>Star 是支持 LiquidJS 最重要的方式,也是最简单的方式:通过提升排名来让更多人了解 LiquidJS,让它得到更好的改进。</p>
|
||||
<h2 id="发起-Pull-Request" class="article-heading"><a href="#发起-Pull-Request" class="headerlink" title="发起 Pull Request"></a>发起 Pull Request<a class="article-anchor" href="#发起-Pull-Request" aria-hidden="true"></a></h2><p><strong>代码风格</strong>:LiquidJS 采用 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/standard/eslint-config-standard">standard</a> 和 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/src/configs/recommended.json">@typescript-eslint/recommended</a> 规则,提交前确保可以通过风格检查:</p>
|
||||
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">npm run lint</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">npm</span> run lint<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p><strong>测试</strong>:确保你改动之后测试仍然可以通过:</p>
|
||||
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">npm <span class="built_in">test</span></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">npm</span> <span class="token builtin class-name">test</span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p><strong>提交消息</strong>:请遵守 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#commits">Angular 提交消息规范</a>,尤其注意 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#type">type 标识</a>,semantic-release 机器人依赖这个标识自动发布。</p>
|
||||
<p><strong>向后兼容</strong>:请考虑向后(之前的旧的版本)兼容。LiquidJS 被用于很多层的软件,包括底层库、编译器、站点生成器、 Web 服务器。对多数最终用户来说,驱动或请求整个系统做一次主版本升级是很难办到的。</p>
|
||||
@@ -106,7 +106,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="differences.html" class="article-footer-prev" title="与 Shopify/liquid 的不同"><i class="icon-chevron-left"></i><span>上一页</span></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -153,7 +153,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link current">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link current">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link current">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link current">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -106,7 +106,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="changelog.html" class="article-footer-prev" title="更新日志"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="contribution-guidelines.html" class="article-footer-next" title="贡献指南"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -153,7 +153,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link current">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link current">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link current">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link current">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -101,26 +101,30 @@
|
||||
</blockquote>
|
||||
|
||||
<h2 id="输出" class="article-heading"><a href="#输出" class="headerlink" title="输出"></a>输出<a class="article-anchor" href="#输出" aria-hidden="true"></a></h2><p><strong>输出</strong> 用于转换和输出变量到 HTMl。下面的模板将会把 <code>username</code> 的值插入到 input 的 <code>value</code>:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line"><input type="text" name="user" value="{{username}}"></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>input</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>text<span class="token punctuation">"</span></span> <span class="token attr-name">name</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>user<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span>username<span class="token delimiter punctuation">}}</span></span><span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p><em>输出</em> 里的值可以在输出之前经过若干个 <strong>过滤器</strong> 的转换。比如在变量后面追加一个字符串:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{{ username | append: ", welcome to LiquidJS!" }}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> username <span class="token operator">|</span> <span class="token function filter">append</span><span class="token operator">:</span> <span class="token string">", welcome to LiquidJS!"</span> <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>过滤器可以级联,用起来像管道一样:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{{ username | append: ", welcome to LiquidJS!" | capitalize }}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> username <span class="token operator">|</span> <span class="token function filter">append</span><span class="token operator">:</span> <span class="token string">", welcome to LiquidJS!"</span> <span class="token operator">|</span> <span class="token function filter">capitalize</span> <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p><a href="../filters/overview.html">这里</a> 是 LiquidJS 支持的完整的过滤器列表。</p>
|
||||
<h2 id="标签" class="article-heading"><a href="#标签" class="headerlink" title="标签"></a>标签<a class="article-anchor" href="#标签" aria-hidden="true"></a></h2><p><strong>标签</strong> 用于控制模板渲染过程,操作模板变量,和其他模板交互等。例如 <code>assign</code> 可以用来定义一个模板中可以使用的变量:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% assign foo = "FOO" %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">assign</span> foo <span class="token operator">=</span> <span class="token string">"FOO"</span> <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>一般标签成对地出现,一个开始标签和一个对应的结束标签,比如:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% if foo == "FOO" %}</span><br><span class="line"> Variable `foo` equals "FOO"</span><br><span class="line">{% else %}</span><br><span class="line"> Variable `foo` not equals "FOO"</span><br><span class="line">{% endif %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">if</span> foo <span class="token operator">==</span> <span class="token string">"FOO"</span> <span class="token delimiter punctuation">%}</span></span>
|
||||
Variable `foo` equals "FOO"
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">else</span> <span class="token delimiter punctuation">%}</span></span>
|
||||
Variable `foo` not equals "FOO"
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">endif</span> <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p><a href="../tags/overview.html">这里</a> 是 LiquidJS 支持的完整的标签列表。</p>
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="setup.html" class="article-footer-next" title="安装"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -167,7 +171,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link current">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link current">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link current">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link current">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -115,7 +115,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="truthy-and-falsy.html" class="article-footer-prev" title="真和假"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="changelog.html" class="article-footer-next" title="更新日志"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -162,7 +162,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link current">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link current">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link current">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link current">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -105,7 +105,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="plugins.html" class="article-footer-prev" title="插件"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="truthy-and-falsy.html" class="article-footer-next" title="真和假"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -152,7 +152,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link current">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link current">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link current">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link current">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -92,7 +92,10 @@
|
||||
</header>
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<p><a href="../api/classes/liquid_.liquid.html">Liquid</a> 构造函数接受一个参数对象,用来定义各种模板引擎行为。这些参数都是可选的,比如我可以指定其中一个参数 <code>cache</code>:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">const</span> { Liquid } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>)</span><br><span class="line"><span class="keyword">const</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">cache</span>: <span class="literal">true</span></span><br><span class="line">})</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">const</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span>
|
||||
<span class="token keyword">const</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
cache<span class="token operator">:</span> <span class="token boolean">true</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note info"><strong class="note-title">API 文档</strong><p>下面的所有选项的概述,希望了解具体的类型和签名,请前往 <a href="https://liquidjs.com/api/interfaces/liquid_options_.liquidoptions.html" target="_self">LiquidOptions | API</a>.</p>
|
||||
</blockquote>
|
||||
@@ -107,10 +110,10 @@
|
||||
<p>注意由于历史原因这个选项叫做 dynamicPartials,但它对 layout 也起作用。</p>
|
||||
</blockquote>
|
||||
<p><strong>dynamicPartials</strong> 表示是否把传给 <a href="../tags/include.html">include</a>, <a href="../tags/render.html">render</a>, <a href="../tags/layout.html">layout</a> 标签的文件名当做变量处理。默认为 <code>true</code>。例如用上下文 <code>{ file: 'foo.html' }</code> 渲染下面的模板将会引入文件 <code>foo.html</code>:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% include file %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">include</span> file <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>设置 <code>dynamicPartials: false</code> 后 LiquidJS 将会尝试去读取 <code>file</code>。当你的模板之间都是静态引入关系时会很有用:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% liquid foo.html %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">liquid</span> foo<span class="token punctuation">.</span>html <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note warn"><strong class="note-title">常见陷阱</strong><p>LiquidJS 把这个选项默认值设为 <code>true</code> 以兼容于 shopify/liquid,但如果你在使用 <a href="https://github.com/11ty/eleventy" rel="external nofollow noreferrer" target="_blank">eleventy</a> 它会设置默认值 <code>false</code> (参考 <a href="https://www.11ty.dev/docs/languages/liquid/#quoted-include-paths" rel="external nofollow noreferrer" target="_blank">Quoted Include Paths</a>)以兼容于 Jekyll。</p>
|
||||
</blockquote>
|
||||
@@ -124,10 +127,18 @@
|
||||
<li>参数放到了 <code>include</code> 变量下,而非当前作用域。</li>
|
||||
</ul>
|
||||
<p>例如下面的模板中,<code>name.html</code> 没有带引号,<code>header</code> 和 <code>"HEADER"</code> 以 <code>=</code> 分隔,<code>header</code> 参数通过 <code>include.header</code> 来引用。更多详情请参考 <a href="../tags/include.html">include</a>。</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">// entry template</span><br><span class="line">{% include article.html header="HEADER" content="CONTENT" %}</span><br><span class="line"></span><br><span class="line">// article.html</span><br><span class="line"><article></span><br><span class="line"> <header>{{include.header}}</header></span><br><span class="line"> {{include.content}}</span><br><span class="line"></article></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid">// entry template
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">include</span> <span class="token object">article</span><span class="token punctuation">.</span>html header<span class="token operator">=</span><span class="token string">"HEADER"</span> content<span class="token operator">=</span><span class="token string">"CONTENT"</span> <span class="token delimiter punctuation">%}</span></span>
|
||||
|
||||
// article.html
|
||||
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>article</span><span class="token punctuation">></span></span>
|
||||
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>header</span><span class="token punctuation">></span></span><span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span><span class="token keyword">include</span><span class="token punctuation">.</span>header<span class="token delimiter punctuation">}}</span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>header</span><span class="token punctuation">></span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span><span class="token keyword">include</span><span class="token punctuation">.</span>content<span class="token delimiter punctuation">}}</span></span>
|
||||
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>article</span><span class="token punctuation">></span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<h2 id="extname" class="article-heading"><a href="#extname" class="headerlink" title="extname"></a>extname<a class="article-anchor" href="#extname" aria-hidden="true"></a></h2><p><strong>extname</strong> 定义了默认的文件后缀,当传入文件名不包含后缀时自动追加。默认值是 <code>''</code> 也就是说默认是禁用的。如果设置为 <code>.liquid</code>:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% render "foo" %} 没有后缀,添加 ".liquid" 并加载 foo.liquid</span><br><span class="line">{% render "foo.html" %} 已经有后缀了,直接加载 foo.html</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">render</span> <span class="token string">"foo"</span> <span class="token delimiter punctuation">%}</span></span> 没有后缀,添加 ".liquid" 并加载 foo.liquid
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">render</span> <span class="token string">"foo.html"</span> <span class="token delimiter punctuation">%}</span></span> 已经有后缀了,直接加载 foo.html<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note info"><strong class="note-title">旧版行为</strong><p>在 2.0.1 之前,<code>extname</code> 默认值为 <code>.liquid</code>。要禁用它需要明确设置为 <code>extname: ''</code>。详情参考 <a href="https://github.com/harttle/liquidjs/issues/41" rel="external nofollow noreferrer" target="_blank">#41</a>。</p>
|
||||
</blockquote>
|
||||
@@ -140,7 +151,7 @@
|
||||
<p><strong>preserveTimezones</strong> 是一个布尔值,只影响时间戳字面量。当设置为 <code>true</code> 时,所有字面量的时间戳字符串会在输出时保持原状,即不论输入时采取怎样的时区,输出时仍然采用那一时区(和 Shopify Liquid 的行为一致)。注意这是一个解析器参数,渲染时传入的数据中的日期的输出不会受此参数影响。注意 <code>preserveTimezones</code> 比 <code>timezoneOffset</code> 的优先级更高。</p>
|
||||
<h2 id="换行和缩进" class="article-heading"><a href="#换行和缩进" class="headerlink" title="换行和缩进"></a>换行和缩进<a class="article-anchor" href="#换行和缩进" aria-hidden="true"></a></h2><p><strong>greedy</strong>, <strong>trimOutputLeft</strong>, <strong>trimOutputRight</strong>, <strong>trimTagLeft</strong>, <strong>trimTagRight</strong> 选项用来移除 Liquid 语法周围的换行和缩进,详情请参考 <a href="./whitespace-control.html">Whitespace Control</a>。</p>
|
||||
<h2 id="自定义分隔符" class="article-heading"><a href="#自定义分隔符" class="headerlink" title="自定义分隔符"></a>自定义分隔符<a class="article-anchor" href="#自定义分隔符" aria-hidden="true"></a></h2><p><strong>outputDelimiterLeft</strong>, <strong>outputDelimiterRight</strong>, <strong>tagDelimiterLeft</strong>, <strong>tagDelimiterRight</strong> 用来自定义 LiquidJS 中 <a href="./intro-to-liquid.html">标签和过滤器</a> 的分隔符。例如设置了 <code>outputDelimiterLeft: <%=, outputDelimiterRight: %></code> 后我们可以避免跟其他模板引擎冲突:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line"><%= username | append: ", welcome to LiquidJS!" %></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-ejs" data-language="ejs"><code class="language-ejs"><span class="token ejs language-ejs"><span class="token delimiter punctuation"><%=</span><span class="token language-javascript"> username <span class="token operator">|</span> append<span class="token operator">:</span> <span class="token string">", welcome to LiquidJS!"</span> </span><span class="token delimiter punctuation">%></span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<h2 id="严格模式" class="article-heading"><a href="#严格模式" class="headerlink" title="严格模式"></a>严格模式<a class="article-anchor" href="#严格模式" aria-hidden="true"></a></h2><p><strong>strictFilters</strong> 用来启用过滤器的严格模式,如果设置为 <code>true</code> 过滤器不存在时解析会抛出异常。默认为 <code>false</code>,这时会跳过不存在的过滤器。</p>
|
||||
<p><strong>strictVariables</strong> 用来启用变量严格模式。如果设置为 <code>true</code> 变量不存在时渲染会抛出异常,默认为 <code>false</code> 这时不存在的变量会被渲染为空字符串。</p>
|
||||
@@ -151,7 +162,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="setup.html" class="article-footer-prev" title="安装"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="render-file.html" class="article-footer-next" title="文件渲染"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -198,7 +209,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link current">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link current">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link current">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link current">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -92,32 +92,77 @@
|
||||
</header>
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<h2 id="访问原始参数" class="article-heading"><a href="#访问原始参数" class="headerlink" title="访问原始参数"></a>访问原始参数<a class="article-anchor" href="#访问原始参数" aria-hidden="true"></a></h2><p>在 <a href="/tutorials/register-filters-tags.html">注册过滤器和标签</a> 中提到,可以通过 <code>tagToken.args</code> 来得到标签的原始参数字符串。例如:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// Usage: {% random foo bar coo %}</span></span><br><span class="line"><span class="comment">// Output: "foo", "bar" or "coo"</span></span><br><span class="line">engine.registerTag(<span class="string">'random'</span>, {</span><br><span class="line"> <span class="function"><span class="title">parse</span>(<span class="params">tagToken</span>)</span> {</span><br><span class="line"> <span class="comment">// tagToken.args === "foo bar coo"</span></span><br><span class="line"> <span class="built_in">this</span>.items = tagToken.args.split(<span class="string">' '</span>)</span><br><span class="line"> },</span><br><span class="line"> <span class="function"><span class="title">render</span>(<span class="params">context, emitter</span>)</span> {</span><br><span class="line"> <span class="comment">// get a random index</span></span><br><span class="line"> <span class="keyword">const</span> index = <span class="built_in">Math</span>.floor(<span class="built_in">this</span>.items.length * <span class="built_in">Math</span>.random())</span><br><span class="line"> <span class="comment">// output that item</span></span><br><span class="line"> emitter.write(<span class="built_in">this</span>.items[index])</span><br><span class="line"> }</span><br><span class="line">})</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// Usage: {% random foo bar coo %}</span>
|
||||
<span class="token comment">// Output: "foo", "bar" or "coo"</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'random'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function">parse</span><span class="token punctuation">(</span><span class="token parameter">tagToken</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token comment">// tagToken.args === "foo bar coo"</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>items <span class="token operator">=</span> tagToken<span class="token punctuation">.</span>args<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">' '</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token function">render</span><span class="token punctuation">(</span><span class="token parameter">context<span class="token punctuation">,</span> emitter</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token comment">// get a random index</span>
|
||||
<span class="token keyword">const</span> index <span class="token operator">=</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>items<span class="token punctuation">.</span>length <span class="token operator">*</span> Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
|
||||
<span class="token comment">// output that item</span>
|
||||
emitter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>items<span class="token punctuation">[</span>index<span class="token punctuation">]</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>见这个 JSFiddle:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/ctj364up/2/">http://jsfiddle.net/ctj364up/2/</a>。</p>
|
||||
<h2 id="解析参数的值" class="article-heading"><a href="#解析参数的值" class="headerlink" title="解析参数的值"></a>解析参数的值<a class="article-anchor" href="#解析参数的值" aria-hidden="true"></a></h2><p>除了静态的参数字符串之外,我们更希望把动态的值传递给标签。LiquidJS 中的值可以是字面量(字符串、数字等,也可以是当前上下文的变量。</p>
|
||||
<p>下面是修改过的模板,也包含三个值用来随机。但它们表示的是值而不是静态的字符串。第一个是字符串字面量,第二个是标识符(表示变量),第三个是属性访问表达式,包含两个标识符。</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% random "foo" bar obj.coo %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> random <span class="token string">"foo"</span> bar obj<span class="token punctuation">.</span>coo <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>解析这么多种情况会很麻烦,但 LiquidJS 提供了 <a href="/api/classes/parser_tokenizer_.tokenizer.html">Tokenizer</a> 类来处理这种情况。</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">const</span> { Liquid, Tokenizer, evalToken } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>)</span><br><span class="line"></span><br><span class="line">engine.registerTag(<span class="string">'random'</span>, {</span><br><span class="line"> <span class="function"><span class="title">parse</span>(<span class="params">tagToken</span>)</span> {</span><br><span class="line"> <span class="keyword">const</span> tokenizer = <span class="keyword">new</span> Tokenizer(tagToken.args)</span><br><span class="line"> <span class="built_in">this</span>.items = []</span><br><span class="line"> <span class="keyword">while</span> (!tokenizer.end()) {</span><br><span class="line"> <span class="comment">// here readValue() returns a LiteralToken or PropertyAccessToken</span></span><br><span class="line"> <span class="built_in">this</span>.items.push(tokenizer.readValue())</span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> * <span class="function"><span class="title">render</span>(<span class="params">context, emitter</span>)</span> {</span><br><span class="line"> <span class="keyword">const</span> index = <span class="built_in">Math</span>.floor(<span class="built_in">this</span>.items.length * <span class="built_in">Math</span>.random())</span><br><span class="line"> <span class="keyword">const</span> token = <span class="built_in">this</span>.items[index]</span><br><span class="line"> <span class="comment">// in LiquidJS, we use yield to wait for async call</span></span><br><span class="line"> <span class="keyword">const</span> value = <span class="keyword">yield</span> evalToken(token, context)</span><br><span class="line"> emitter.write(value)</span><br><span class="line"> }</span><br><span class="line">})</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">const</span> <span class="token punctuation">{</span> Liquid<span class="token punctuation">,</span> Tokenizer<span class="token punctuation">,</span> evalToken <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span>
|
||||
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'random'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function">parse</span><span class="token punctuation">(</span><span class="token parameter">tagToken</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">const</span> tokenizer <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Tokenizer</span><span class="token punctuation">(</span>tagToken<span class="token punctuation">.</span>args<span class="token punctuation">)</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>items <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span>
|
||||
<span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token operator">!</span>tokenizer<span class="token punctuation">.</span><span class="token function">end</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token comment">// here readValue() returns a LiteralToken or PropertyAccessToken</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>items<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>tokenizer<span class="token punctuation">.</span><span class="token function">readValue</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token operator">*</span> <span class="token function">render</span><span class="token punctuation">(</span><span class="token parameter">context<span class="token punctuation">,</span> emitter</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">const</span> index <span class="token operator">=</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>items<span class="token punctuation">.</span>length <span class="token operator">*</span> Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
|
||||
<span class="token keyword">const</span> token <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>items<span class="token punctuation">[</span>index<span class="token punctuation">]</span>
|
||||
<span class="token comment">// in LiquidJS, we use yield to wait for async call</span>
|
||||
<span class="token keyword">const</span> value <span class="token operator">=</span> <span class="token keyword">yield</span> <span class="token function">evalToken</span><span class="token punctuation">(</span>token<span class="token punctuation">,</span> context<span class="token punctuation">)</span>
|
||||
emitter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>value<span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>用上下文 <code>{ bar: "bar", obj: { coo: "coo" } }</code> 来调用这个标签可以得到上第一个例子一样的效果。见这个 JSFiddle:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/ctj364up/3/">http://jsfiddle.net/ctj364up/3/</a>.</p>
|
||||
<blockquote class="note info"><strong class="note-title">异步和 Promise</strong><p>在 LiquidJS 里异步用生成器实现,这样同样一份标签的实现也可以用于同步的 API 比如 <code>renderSync()</code>,<code>parseAndRenderSync()</code>,<code>renderFileSync()</code>。如果要在标签实现里等待 Promise,只需要把 <code>await somePromise</code> 换成 <code>yield somePromise</code>,并保留 <code>* render()</code> 不要改成 <code>async render()</code>。更多细节请参考 <a href="/tutorials/sync-and-async.html">Sync and Async</a>。</p>
|
||||
</blockquote>
|
||||
|
||||
<h2 id="把键值对解析为命名参数" class="article-heading"><a href="#把键值对解析为命名参数" class="headerlink" title="把键值对解析为命名参数"></a>把键值对解析为命名参数<a class="article-anchor" href="#把键值对解析为命名参数" aria-hidden="true"></a></h2><p>当参数很多时或者有可选参数时,使用命名参数语法会很方便。这时参数由无序的键值对构成,LiquidJS 中的 <a href="/api/classes/template_tag_hash_.hash.html">Hash</a> 类就是来处理这种情况的。</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% random from:2, to:max %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> random from<span class="token operator">:</span><span class="token number">2</span><span class="token punctuation">,</span> to<span class="token operator">:</span>max <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>上面的例子用来产生 [2, max] 范围内的随机数。我们要用 <code>Hash</code> 来解析 <code>from</code> 和 <code>to</code> 参数。</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">const</span> { Liquid, Hash } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>)</span><br><span class="line"></span><br><span class="line">engine.registerTag(<span class="string">'random'</span>, {</span><br><span class="line"> <span class="function"><span class="title">parse</span>(<span class="params">tagToken</span>)</span> {</span><br><span class="line"> <span class="comment">// 解析参数结果,存到 `this.args` 里</span></span><br><span class="line"> <span class="built_in">this</span>.args = <span class="keyword">new</span> Hash(tagToken.args)</span><br><span class="line"> },</span><br><span class="line"> * <span class="function"><span class="title">render</span>(<span class="params">context, emitter</span>)</span> {</span><br><span class="line"> <span class="comment">// 在当前 `context` 下计算参数的值</span></span><br><span class="line"> <span class="keyword">const</span> {<span class="keyword">from</span>, to} = <span class="keyword">yield</span> <span class="built_in">this</span>.args.render(context)</span><br><span class="line"> <span class="keyword">const</span> length = to - <span class="keyword">from</span> + <span class="number">1</span></span><br><span class="line"> <span class="keyword">const</span> value = <span class="keyword">from</span> + <span class="built_in">Math</span>.floor(length * <span class="built_in">Math</span>.random())</span><br><span class="line"> emitter.write(value)</span><br><span class="line"> }</span><br><span class="line">})</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">const</span> <span class="token punctuation">{</span> Liquid<span class="token punctuation">,</span> Hash <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span>
|
||||
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'random'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function">parse</span><span class="token punctuation">(</span><span class="token parameter">tagToken</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token comment">// 解析参数结果,存到 `this.args` 里</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>args <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Hash</span><span class="token punctuation">(</span>tagToken<span class="token punctuation">.</span>args<span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token operator">*</span> <span class="token function">render</span><span class="token punctuation">(</span><span class="token parameter">context<span class="token punctuation">,</span> emitter</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token comment">// 在当前 `context` 下计算参数的值</span>
|
||||
<span class="token keyword">const</span> <span class="token punctuation">{</span>from<span class="token punctuation">,</span> to<span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token keyword">yield</span> <span class="token keyword">this</span><span class="token punctuation">.</span>args<span class="token punctuation">.</span><span class="token function">render</span><span class="token punctuation">(</span>context<span class="token punctuation">)</span>
|
||||
<span class="token keyword">const</span> length <span class="token operator">=</span> to <span class="token operator">-</span> from <span class="token operator">+</span> <span class="token number">1</span>
|
||||
<span class="token keyword">const</span> value <span class="token operator">=</span> from <span class="token operator">+</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">(</span>length <span class="token operator">*</span> Math<span class="token punctuation">.</span><span class="token function">random</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
|
||||
emitter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>value<span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>在 <code>{ max: 10 }</code> 上下文上渲染 <code>{% random from:2, to:max %}</code> 将会得到 [2, 10] 范围内的随机数。见这个 JSFiddle:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/ctj364up/4/">http://jsfiddle.net/ctj364up/4/</a>。</p>
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<a href="access-scope-in-filters.html" class="article-footer-prev" title="过滤器里访问上下文"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="sync-and-async.html" class="article-footer-next" title="同步和异步"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="access-scope-in-filters.html" class="article-footer-prev" title="过滤器里访问上下文"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="render-tag-content.html" class="article-footer-next" title="渲染标签内容"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
</div>
|
||||
@@ -163,7 +208,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link current">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link current">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link current">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link current">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -92,19 +92,37 @@
|
||||
</header>
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<h2 id="引用模板片段" class="article-heading"><a href="#引用模板片段" class="headerlink" title="引用模板片段"></a>引用模板片段<a class="article-anchor" href="#引用模板片段" aria-hidden="true"></a></h2><p>对于如下两个模板文件:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">// 文件:color.liquid</span><br><span class="line">color: '{{ color }}' shape: '{{ shape }}'</span><br><span class="line"></span><br><span class="line">// 文件:theme.liquid</span><br><span class="line">{% assign shape = 'circle' %}</span><br><span class="line">{% include 'color' %}</span><br><span class="line">{% include 'color' with 'red' %}</span><br><span class="line">{% include 'color', color: 'yellow', shape: 'square' %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">// 文件:color.liquid
|
||||
color: '{{ color }}' shape: '{{ shape }}'
|
||||
|
||||
// 文件:theme.liquid
|
||||
{% assign shape = 'circle' %}
|
||||
{% include 'color' %}
|
||||
{% include 'color' with 'red' %}
|
||||
{% include 'color', color: 'yellow', shape: 'square' %}<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>输出为:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">color: '' shape: 'circle'</span><br><span class="line">color: 'red' shape: 'circle'</span><br><span class="line">color: 'yellow' shape: 'square'</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">color: '' shape: 'circle'
|
||||
color: 'red' shape: 'circle'
|
||||
color: 'yellow' shape: 'square'<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note tip"><strong class="note-title">".liquid" 文件扩展名</strong><p>如果设置了 <code>extname: ".liquid"</code> 选项,就可以省略 <code>layout</code>, <code>render</code> 和 <code>include</code> 里面文件名的 “.liquid” 后缀。详情请参考 <a href="./options.html#extname">extname 选项</a>。</p>
|
||||
</blockquote>
|
||||
|
||||
<h2 id="布局模板(模板继承)" class="article-heading"><a href="#布局模板(模板继承)" class="headerlink" title="布局模板(模板继承)"></a>布局模板(模板继承)<a class="article-anchor" href="#布局模板(模板继承)" aria-hidden="true"></a></h2><p>对于如下两个模板文件:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">// 文件:default-layout.liquid</span><br><span class="line">Header</span><br><span class="line">{% block content %}My default content{% endblock %}</span><br><span class="line">Footer</span><br><span class="line"></span><br><span class="line">// 文件:page.liquid</span><br><span class="line">{% layout "default-layout" %}</span><br><span class="line">{% block content %}My page content{% endblock %}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">// 文件:default-layout.liquid
|
||||
Header
|
||||
{% block content %}My default content{% endblock %}
|
||||
Footer
|
||||
|
||||
// 文件:page.liquid
|
||||
{% layout "default-layout" %}
|
||||
{% block content %}My page content{% endblock %}<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>渲染 <code>page.liquid</code> 将会输出:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">Header</span><br><span class="line">My page content</span><br><span class="line">Footer</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">Header
|
||||
My page content
|
||||
Footer<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note tip"><strong class="note-title">Block</strong><ul>
|
||||
<li>布局文件(父模板)中可以定义多个 block;</li>
|
||||
@@ -113,7 +131,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="render-file.html" class="article-footer-prev" title="文件渲染"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="use-in-expressjs.html" class="article-footer-next" title="Express.js 中使用"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -160,7 +178,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link current">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link current">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link current">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link current">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -94,11 +94,21 @@
|
||||
<p>一组标签和过滤器可以封装为一个 <strong>插件</strong>,通常发包到 NPM 来方便使用。本文介绍如何创建和使用插件。</p>
|
||||
<h2 id="编写插件" class="article-heading"><a href="#编写插件" class="headerlink" title="编写插件"></a>编写插件<a class="article-anchor" href="#编写插件" aria-hidden="true"></a></h2><p>LiquidJS 插件就是一个简单的函数,它的第一个参数是 <a href="../../api/classes/liquid_.liquid.html">Liquid 类</a>,其中的 <code>this</code> 是它被注册到的 Liquid 实例。可以通过 <code>this</code> 来调用 Liquid API,比如 <a href="./register-filters-tags.html">注册标签和过滤器</a>。</p>
|
||||
<p>现在我们来写一个插件并在其中注册一个过滤器,来把输入字符串转换为大写:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Inside the plugin function, `this` refers to the Liquid instance.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@param </span>Liquid: provides facilities to implement tags and filters.</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="built_in">module</span>.exports = <span class="function"><span class="keyword">function</span> (<span class="params">Liquid</span>) </span>{</span><br><span class="line"> <span class="built_in">this</span>.registerFilter(<span class="string">'upup'</span>, <span class="function"><span class="params">x</span> =></span> x.toUpperCase());</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">/**
|
||||
* Inside the plugin function, `this` refers to the Liquid instance.
|
||||
*
|
||||
* @param Liquid: provides facilities to implement tags and filters.
|
||||
*/</span>
|
||||
module<span class="token punctuation">.</span><span class="token function-variable function">exports</span> <span class="token operator">=</span> <span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token parameter">Liquid</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">registerFilter</span><span class="token punctuation">(</span><span class="token string">'upup'</span><span class="token punctuation">,</span> <span class="token parameter">x</span> <span class="token operator">=></span> x<span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token punctuation">}</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>把上述代码保存为 <code>upup.js</code>。</p>
|
||||
<h2 id="使用插件" class="article-heading"><a href="#使用插件" class="headerlink" title="使用插件"></a>使用插件<a class="article-anchor" href="#使用插件" aria-hidden="true"></a></h2><p>把插件传递给 <code>.plugin()</code> 方法即可注册插件,例如:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">const</span> engine = <span class="keyword">new</span> Liquid()</span><br><span class="line"></span><br><span class="line">engine.plugin(<span class="built_in">require</span>(<span class="string">'./upup.js'</span>));</span><br><span class="line">engine.parseAndRender(<span class="string">'{{ "foo" | upup }}'</span>).then(<span class="built_in">console</span>.log)</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">const</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
|
||||
engine<span class="token punctuation">.</span><span class="token function">plugin</span><span class="token punctuation">(</span><span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'./upup.js'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">parseAndRender</span><span class="token punctuation">(</span><span class="token string">'{{ "foo" | upup }}'</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span>console<span class="token punctuation">.</span>log<span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>上述代码将会输出 <code>"FOO"</code>。</p>
|
||||
<h2 id="插件列表" class="article-heading"><a href="#插件列表" class="headerlink" title="插件列表"></a>插件列表<a class="article-anchor" href="#插件列表" aria-hidden="true"></a></h2><p>由于本仓库只包含 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/Shopify/liquid/">Shopify/liquid</a> 核心仓库的标签和插件(参考 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs#differences-and-limitations">https://github.com/harttle/liquidjs#differences-and-limitations</a>),Shopify 平台上特有的插件只能通过插件来使用。</p>
|
||||
@@ -110,7 +120,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="whitespace-control.html" class="article-footer-prev" title="换行和缩进"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="operators.html" class="article-footer-next" title="运算符"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -157,7 +167,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link current">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link current">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link current">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link current">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -91,25 +91,50 @@
|
||||
|
||||
</header>
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<h2 id="注册标签" class="article-heading"><a href="#注册标签" class="headerlink" title="注册标签"></a>注册标签<a class="article-anchor" href="#注册标签" aria-hidden="true"></a></h2><figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// 使用方式: {% upper name %}</span></span><br><span class="line">engine.registerTag(<span class="string">'upper'</span>, {</span><br><span class="line"> <span class="attr">parse</span>: <span class="function"><span class="keyword">function</span>(<span class="params">tagToken, remainTokens</span>) </span>{</span><br><span class="line"> <span class="built_in">this</span>.str = tagToken.args; <span class="comment">// name</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">render</span>: <span class="keyword">async</span> <span class="function"><span class="keyword">function</span>(<span class="params">scope, hash</span>) </span>{</span><br><span class="line"> <span class="keyword">var</span> str = <span class="keyword">await</span> <span class="built_in">this</span>.liquid.evalValue(<span class="built_in">this</span>.str, scope); <span class="comment">// 'alice'</span></span><br><span class="line"> <span class="keyword">return</span> str.toUpperCase() <span class="comment">// 'Alice'</span></span><br><span class="line"> }</span><br><span class="line">});</span><br></pre></td></tr></table></figure>
|
||||
<h2 id="注册标签" class="article-heading"><a href="#注册标签" class="headerlink" title="注册标签"></a>注册标签<a class="article-anchor" href="#注册标签" aria-hidden="true"></a></h2><pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// 使用方式: {% upper name %}</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'upper'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function-variable function">parse</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">tagToken<span class="token punctuation">,</span> remainTokens</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>str <span class="token operator">=</span> tagToken<span class="token punctuation">.</span>args<span class="token punctuation">;</span> <span class="token comment">// name</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token function-variable function">render</span><span class="token operator">:</span> <span class="token keyword">async</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">scope<span class="token punctuation">,</span> hash</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">var</span> str <span class="token operator">=</span> <span class="token keyword">await</span> <span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span><span class="token function">evalValue</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>str<span class="token punctuation">,</span> scope<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 'alice'</span>
|
||||
<span class="token keyword">return</span> str<span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token comment">// 'Alice'</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<ul>
|
||||
<li><code>parse</code>: 从 <code>remainTokens</code> 中读取后续的标签/输出/HTML,直到找到你期望的结束标签。</li>
|
||||
<li><code>render</code>: 把 scope 数据和此前解析得到的 Token 结合,输出 HTML 字符串。</li>
|
||||
</ul>
|
||||
<p>查看已有的标签实现:<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/tree/master/src/builtin/tags">https://github.com/harttle/liquidjs/tree/master/src/builtin/tags</a></p>
|
||||
<h2 id="注册过滤器" class="article-heading"><a href="#注册过滤器" class="headerlink" title="注册过滤器"></a>注册过滤器<a class="article-anchor" href="#注册过滤器" aria-hidden="true"></a></h2><figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// 使用方式: {{ name | upper }}</span></span><br><span class="line">engine.registerFilter(<span class="string">'upper'</span>, <span class="function"><span class="params">v</span> =></span> v.toUpperCase())</span><br></pre></td></tr></table></figure>
|
||||
<h2 id="注册过滤器" class="article-heading"><a href="#注册过滤器" class="headerlink" title="注册过滤器"></a>注册过滤器<a class="article-anchor" href="#注册过滤器" aria-hidden="true"></a></h2><pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// 使用方式: {{ name | upper }}</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerFilter</span><span class="token punctuation">(</span><span class="token string">'upper'</span><span class="token punctuation">,</span> <span class="token parameter">v</span> <span class="token operator">=></span> v<span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>过滤器的参数将会传递给上面注册的过滤器函数,从第二个参数开始(第一个参数是过滤器左侧的输入),例如:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// Usage: {{ 1 | add: 2, 3 }}</span></span><br><span class="line">engine.registerFilter(<span class="string">'add'</span>, <span class="function">(<span class="params">initial, arg1, arg2</span>) =></span> initial + arg1 + arg2)</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// Usage: {{ 1 | add: 2, 3 }}</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerFilter</span><span class="token punctuation">(</span><span class="token string">'add'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">initial<span class="token punctuation">,</span> arg1<span class="token punctuation">,</span> arg2</span><span class="token punctuation">)</span> <span class="token operator">=></span> initial <span class="token operator">+</span> arg1 <span class="token operator">+</span> arg2<span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>查看已有的过滤器实现:<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/tree/master/src/builtin/filters">https://github.com/harttle/liquidjs/tree/master/src/builtin/filters</a></p>
|
||||
<h2 id="反注册标签-过滤器" class="article-heading"><a href="#反注册标签-过滤器" class="headerlink" title="反注册标签/过滤器"></a>反注册标签/过滤器<a class="article-anchor" href="#反注册标签-过滤器" aria-hidden="true"></a></h2><p>有时可能需要禁用一些标签/过滤器(比如 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/issues/324">#324</a>),注册一个假的标签/过滤器并在里面抛出相应的错误即可。</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// 禁用标签</span></span><br><span class="line"><span class="keyword">const</span> disabledTag = {</span><br><span class="line"> <span class="attr">parse</span>: <span class="function"><span class="keyword">function</span>(<span class="params">token</span>) </span>{</span><br><span class="line"> <span class="keyword">throw</span> <span class="keyword">new</span> <span class="built_in">Error</span>(<span class="string">`tag "<span class="subst">${token.name}</span>" disabled`</span>);</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line">engine.registerTag(<span class="string">'include'</span>, disabledTag);</span><br><span class="line"></span><br><span class="line"><span class="comment">// 禁用过滤器</span></span><br><span class="line"><span class="function"><span class="keyword">function</span> <span class="title">disabledFilter</span>(<span class="params">name</span>) </span>{</span><br><span class="line"> <span class="keyword">return</span> <span class="function"><span class="keyword">function</span> (<span class="params"></span>) </span>{</span><br><span class="line"> <span class="keyword">throw</span> <span class="keyword">new</span> <span class="built_in">Error</span>(<span class="string">`filter "<span class="subst">${name}</span>" disabled`</span>);</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line">engine.registerFilter(<span class="string">'plus'</span>, disabledFilter(<span class="string">'plus'</span>));</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token comment">// 禁用标签</span>
|
||||
<span class="token keyword">const</span> disabledTag <span class="token operator">=</span> <span class="token punctuation">{</span>
|
||||
<span class="token function-variable function">parse</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">token</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Error</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">tag "</span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>token<span class="token punctuation">.</span>name<span class="token interpolation-punctuation punctuation">}</span></span><span class="token string">" disabled</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'include'</span><span class="token punctuation">,</span> disabledTag<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
|
||||
<span class="token comment">// 禁用过滤器</span>
|
||||
<span class="token keyword">function</span> <span class="token function">disabledFilter</span><span class="token punctuation">(</span><span class="token parameter">name</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">return</span> <span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Error</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">filter "</span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>name<span class="token interpolation-punctuation punctuation">}</span></span><span class="token string">" disabled</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerFilter</span><span class="token punctuation">(</span><span class="token string">'plus'</span><span class="token punctuation">,</span> <span class="token function">disabledFilter</span><span class="token punctuation">(</span><span class="token string">'plus'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="caching.html" class="article-footer-prev" title="缓存"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="access-scope-in-filters.html" class="article-footer-next" title="过滤器里访问上下文"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -156,7 +181,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link current">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link current">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link current">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link current">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -93,20 +93,32 @@
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<p>一个典型的项目会有一个目录下都是模板,最方便的方式就是设置 LiquidJS 的 <a href="../../api/interfaces/liquid_options_.liquidoptions.html#Optional-root">root</a> 然后调用 <a href="../../api/classes/liquid_.liquid.html#renderFile">.renderFile()</a> 或 <a href="../../api/classes/liquid_.liquid.html#renderFilesync">.renderFileSync()</a> 来渲染其中的一个模板文件。</p>
|
||||
<h2 id="渲染一个文件" class="article-heading"><a href="#渲染一个文件" class="headerlink" title="渲染一个文件"></a>渲染一个文件<a class="article-anchor" href="#渲染一个文件" aria-hidden="true"></a></h2><p>例如你有如下的目录结构:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">.</span><br><span class="line">├── index.js</span><br><span class="line">└── views/</span><br><span class="line"> ├── hello.liquid</span><br><span class="line"> └── world.liquid</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">.
|
||||
├── index.js
|
||||
└── views/
|
||||
├── hello.liquid
|
||||
└── world.liquid<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>其中 <code>hello.liquid</code> 内容为:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">name: {{name}}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid">name: <span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span>name<span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>在 <code>index.js</code> 中可以这样渲染 <code>hello.liquid</code>:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">root</span>: path.resolve(__dirname, <span class="string">'views/'</span>), <span class="comment">// 设置模板查找目录</span></span><br><span class="line"> <span class="attr">extname</span>: <span class="string">'.liquid'</span> <span class="comment">// 添加后缀,默认为 "" 表示不添加后缀</span></span><br><span class="line">});</span><br><span class="line"><span class="comment">// 将会读取并渲染 `views/hello.liquid`</span></span><br><span class="line">engine.renderFile(<span class="string">"hello"</span>, {<span class="attr">name</span>: <span class="string">'alice'</span>}).then(<span class="built_in">console</span>.log)</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
root<span class="token operator">:</span> path<span class="token punctuation">.</span><span class="token function">resolve</span><span class="token punctuation">(</span>__dirname<span class="token punctuation">,</span> <span class="token string">'views/'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token comment">// 设置模板查找目录</span>
|
||||
extname<span class="token operator">:</span> <span class="token string">'.liquid'</span> <span class="token comment">// 添加后缀,默认为 "" 表示不添加后缀</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token comment">// 将会读取并渲染 `views/hello.liquid`</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">renderFile</span><span class="token punctuation">(</span><span class="token string">"hello"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'alice'</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span>console<span class="token punctuation">.</span>log<span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>执行 <code>node index.js</code> 你将会得到类似这样的输出:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">name: alice</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">name: alice<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<h2 id="模板查找" class="article-heading"><a href="#模板查找" class="headerlink" title="模板查找"></a>模板查找<a class="article-anchor" href="#模板查找" aria-hidden="true"></a></h2><p>传递给 <a href="../../api/classes/liquid_.liquid.html#renderFile">.renderFile()</a>, <a href="../../api/classes/liquid_.liquid.html#parseFile">.parseFile()</a> <a href="../../api/classes/liquid_.liquid.html#renderFilesync">.renderFileSync()</a>, <a href="../../api/classes/liquid_.liquid.html#parseFileSync">.parseFileSync()</a> 这些 API 的模板名,<br>以及传递给 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://help.shopify.com/themes/liquid/tags/theme-tags#include">include</a>, <a target="_blank" rel="noopener external nofollow noreferrer" href="https://help.shopify.com/en/themes/liquid/tags/theme-tags#layout">layout</a> 这些标签的模板名,将会根据 <a href="../../api/interfaces/liquid_options_.liquidoptions.html#Optional-root">root</a> 选项来查找。</p>
|
||||
<p><code>root</code> 可以设置为 <code>string</code> 类型的路径(见上面的例子), 也可以设置为一个字符串数组表示路径列表,这时 LiquidJS 将会按顺序去查找。例如:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">root</span>: [<span class="string">'views/'</span>, <span class="string">'views/partials/'</span>],</span><br><span class="line"> <span class="attr">extname</span>: <span class="string">'.liquid'</span></span><br><span class="line">});</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
root<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'views/'</span><span class="token punctuation">,</span> <span class="token string">'views/partials/'</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
|
||||
extname<span class="token operator">:</span> <span class="token string">'.liquid'</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note tip"><strong class="note-title">相对路径</strong><p><code>root</code> 中使用相对路径将会被解释为相对于 <code>cwd()</code>(当前工作目录)。</p>
|
||||
</blockquote>
|
||||
@@ -129,12 +141,31 @@
|
||||
</blockquote>
|
||||
|
||||
<h2 id="文件系统接口" class="article-heading"><a href="#文件系统接口" class="headerlink" title="文件系统接口"></a>文件系统接口<a class="article-anchor" href="#文件系统接口" aria-hidden="true"></a></h2><p>LiquidJS 定义了一个文件系统接口(<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/blob/master/src/fs/ifs.ts">src/fs/ifs.ts</a>),在 Node.js 下的默认实现是 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/blob/master/src/fs/node.ts">src/fs/node.ts</a>,在浏览器打包文件中的默认实现是 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/blob/master/src/fs/browser.ts">src/fs/browser.ts</a>。<br>你可以通过创建 <code>Liquid</code> 时的 <a href="../../api/interfaces/liquid_options_.liquidoptions.html#Optional-fs">fs</a> 参数来指定一个自定义实现来指定如何读取模板文件。比如从数据库里读取:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">const</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">fs</span>: {</span><br><span class="line"> readFileSync (file) {</span><br><span class="line"> <span class="keyword">return</span> db.model(<span class="string">'Template'</span>).findByIdSync(file).text</span><br><span class="line"> },</span><br><span class="line"> <span class="keyword">await</span> readFile (file) {</span><br><span class="line"> <span class="keyword">const</span> template = <span class="keyword">await</span> db.model(<span class="string">'Template'</span>).findById(file)</span><br><span class="line"> <span class="keyword">return</span> template.text</span><br><span class="line"> },</span><br><span class="line"> existsSync () {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span></span><br><span class="line"> },</span><br><span class="line"> <span class="keyword">await</span> exists () {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span></span><br><span class="line"> },</span><br><span class="line"> <span class="function"><span class="title">resolve</span>(<span class="params">root, file, ext</span>)</span> {</span><br><span class="line"> <span class="keyword">return</span> file</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line">});</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">const</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
fs<span class="token operator">:</span> <span class="token punctuation">{</span>
|
||||
<span class="token function">readFileSync</span> <span class="token punctuation">(</span><span class="token parameter">file</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">return</span> db<span class="token punctuation">.</span><span class="token function">model</span><span class="token punctuation">(</span><span class="token string">'Template'</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">findByIdSync</span><span class="token punctuation">(</span>file<span class="token punctuation">)</span><span class="token punctuation">.</span>text
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token keyword">await</span> <span class="token function">readFile</span> <span class="token punctuation">(</span><span class="token parameter">file</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">const</span> template <span class="token operator">=</span> <span class="token keyword">await</span> db<span class="token punctuation">.</span><span class="token function">model</span><span class="token punctuation">(</span><span class="token string">'Template'</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">findById</span><span class="token punctuation">(</span>file<span class="token punctuation">)</span>
|
||||
<span class="token keyword">return</span> template<span class="token punctuation">.</span>text
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token function">existsSync</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">return</span> <span class="token boolean">true</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token keyword">await</span> <span class="token function">exists</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">return</span> <span class="token boolean">true</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token function">resolve</span><span class="token punctuation">(</span><span class="token parameter">root<span class="token punctuation">,</span> file<span class="token punctuation">,</span> ext</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">return</span> file
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="options.html" class="article-footer-prev" title="选项"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="partials-and-layouts.html" class="article-footer-next" title="引用/继承"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -181,7 +212,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link current">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link current">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -0,0 +1,269 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="zh-cn">
|
||||
<head prefix="og: http://ogp.me/ns#">
|
||||
<meta charset="utf-8">
|
||||
<title>渲染标签内容 | LiquidJS</title>
|
||||
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<link rel="dns-prefetch" href="https://cdn.jsdelivr.net/">
|
||||
<link rel="manifest" href="/manifest.json">
|
||||
<!-- Canonical links -->
|
||||
<link rel="canonical" href="https://liquidjs.com/zh-cn/tutorials/render-tag-content.html">
|
||||
<!-- Alternative links -->
|
||||
|
||||
|
||||
<link rel="alternative" hreflang="en" href="https://liquidjs.com/zh-cn/tutorials/render-tag-content">
|
||||
|
||||
<link rel="alternative" hreflang="zh-cn" href="https://liquidjs.com/zh-cn/zh-cn/tutorials/render-tag-content">
|
||||
|
||||
|
||||
<!-- Icon -->
|
||||
<link rel="apple-touch-icon" sizes="57x57" href="../../icon/apple-touch-icon-57x57.png">
|
||||
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<link rel="icon" type="image/png" href="../../icon/favicon-160x160.png" sizes="160x160">
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<link rel="icon" type="image/png" href="../../icon/favicon-96x96.png" sizes="96x96">
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<link rel="icon" type="image/png" href="../../icon/favicon-16x16.png" sizes="16x16">
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<meta name="msapplication-TileColor" content="#2f83cd">
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<meta name="msapplication-TileImage" content="../../icon/mstile-144x144.png">
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<link rel="stylesheet" href="../../css/navy.css">
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<link rel="alternate" href="../../atom.xml" title="LiquidJS" type="application/atom+xml">
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<meta name="generator" content="Hexo 5.4.0"></head>
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<body>
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<div id="container">
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<header id="header" class="wrapper">
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<div id="header-inner" class="inner">
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<h1 id="logo-wrap">
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<a href="/zh-cn/" id="logo">LiquidJS</a>
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</h1>
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<nav id="main-nav">
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<a href="intro-to-liquid.html" class="main-nav-link">教程</a><a href="../tags/overview.html" class="main-nav-link">标签</a><a href="../filters/overview.html" class="main-nav-link">过滤器</a><a href="../playground.html" class="main-nav-link">演示</a><a href="../api/classes/liquid_.liquid.html" class="main-nav-link">API</a>
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<div id="search-input-wrap">
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<i id="search-input-icon" class="icon-search"></i>
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<input type="search" id="search-input" placeholder="搜索...">
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</nav>
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<div id="lang-select-wrap" class="main-nav-link">
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<label><i class="icon-network"></i>简体中文</label>
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<select id="lang-select" data-canonical="tutorials/render-tag-content.html">
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<option value="en">English</option>
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<option value="zh-cn" selected>简体中文</option>
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</select>
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</div>
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<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs" id="github-link-wrap" class="main-nav-link"><i class="icon-github"></i>Github</a>
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<a id="mobile-nav-toggle">
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<div id="content-wrap">
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<div id="content" class="wrapper">
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<div id="content-inner">
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<aside id="sidebar" role="navigation">
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<div class="inner">
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<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link current">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
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</aside>
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<article class="article-container" itemscope itemtype="http://schema.org/Article">
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<div class="article">
|
||||
<div class="inner">
|
||||
<header class="article-header">
|
||||
<h1 class="article-title" itemprop="name">渲染标签内容</h1>
|
||||
|
||||
<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/edit/master/docs/source/zh-cn/tutorials/render-tag-content.md" class="article-edit-link" title="改进这篇文档"><i class="icon-pencil"></i></a>
|
||||
|
||||
</header>
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<p>自定义标签可以有内容,也可以嵌套使用。本文描述了如何实现一个由<em>开始标签</em>,<em>结束标签</em>和之间的<em>标签内容</em>的自定义标签。</p>
|
||||
<h2 id="渲染标签内容" class="article-heading"><a href="#渲染标签内容" class="headerlink" title="渲染标签内容"></a>渲染标签内容<a class="article-anchor" href="#渲染标签内容" aria-hidden="true"></a></h2><p>我们先实现一个简单的 <code>wrap</code> 标签,它会把内容包装在 <code><div class="wrapper"></div></code> 元素里:</p>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> wrap <span class="token delimiter punctuation">%}</span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> <span class="token string">"hello world!"</span> <span class="token operator">|</span> <span class="token function filter">capitalize</span> <span class="token delimiter punctuation">}}</span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> endwrap <span class="token delimiter punctuation">%}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>期望输出:</p>
|
||||
<pre class="line-numbers language-html" data-language="html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">'</span>wrapper<span class="token punctuation">'</span></span><span class="token punctuation">></span></span>
|
||||
Hello world!
|
||||
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>首先 <a href="./register-filters-tags.html">注册</a> 一个名为 <code>wrap</code> 的标签,把内容解析到 <code>this.tpls</code> 数组里。<code>parse(tagToken, remainTokens)</code> 中,</p>
|
||||
<ul>
|
||||
<li><code>tagToken</code> 是当前 <em>Token</em> <code>{% wrap %}</code>,</li>
|
||||
<li><code>remainTokens</code> 是当前模板中后续所有 <em>Token</em> 的数组。</li>
|
||||
</ul>
|
||||
<p>我们要做的是从 <code>remainTokens</code> 里拿出来/<code>.shift()</code> 足够的标签直到遇到 <code>endwrap</code>(其实可以是任意名字,但按照惯例应该叫 <code>endwrap</code>)。如果到模板结尾都没遇到 <code>endwrap</code>,需要抛出一个标签未关闭的 <code>Error</code>。</p>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript">engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'wrap'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function">parse</span><span class="token punctuation">(</span><span class="token parameter">tagToken<span class="token punctuation">,</span> remainTokens</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>tpls <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span>
|
||||
<span class="token keyword">let</span> closed <span class="token operator">=</span> <span class="token boolean">false</span>
|
||||
<span class="token keyword">while</span><span class="token punctuation">(</span>remainTokens<span class="token punctuation">.</span>length<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">let</span> token <span class="token operator">=</span> remainTokens<span class="token punctuation">.</span><span class="token function">shift</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
<span class="token comment">// 得到了结束标签,停止解析</span>
|
||||
<span class="token keyword">if</span> <span class="token punctuation">(</span>token<span class="token punctuation">.</span>name <span class="token operator">===</span> <span class="token string">'endwrap'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
closed <span class="token operator">=</span> <span class="token boolean">true</span>
|
||||
<span class="token keyword">break</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token comment">// 把 Token 解析成 Template</span>
|
||||
<span class="token comment">// parseToken() 可能会消耗多个 Token</span>
|
||||
<span class="token comment">// 例如 {% if %}...{% endif %}</span>
|
||||
<span class="token keyword">let</span> tpl <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span>parser<span class="token punctuation">.</span><span class="token function">parseToken</span><span class="token punctuation">(</span>token<span class="token punctuation">,</span> remainTokens<span class="token punctuation">)</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>tpls<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>tpl<span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span>closed<span class="token punctuation">)</span> <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Error</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">tag </span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>tagToken<span class="token punctuation">.</span><span class="token function">getText</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token interpolation-punctuation punctuation">}</span></span><span class="token string"> not closed</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token operator">*</span> <span class="token function">render</span><span class="token punctuation">(</span><span class="token parameter">context<span class="token punctuation">,</span> emitter</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
emitter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"<div class='wrapper'>"</span><span class="token punctuation">)</span>
|
||||
<span class="token keyword">yield</span> <span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span>renderer<span class="token punctuation">.</span><span class="token function">renderTemplates</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>tpls<span class="token punctuation">,</span> context<span class="token punctuation">,</span> emitter<span class="token punctuation">)</span>
|
||||
emitter<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span><span class="token string">"</div>"</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p><code>.renderTemplates()</code> 可能是异步的,因此需要 <code>yield</code> 来等它完成。更多关于 LiquidJS 异步的信息可以参考 <a href="./sync-and-async.html">同步和异步</a>。<code>render()</code> 的其他部分比较直观,这是 JSFiddle 版本:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/por0zcn1/3/">http://jsfiddle.net/por0zcn1/3/</a>。</p>
|
||||
<h2 id="使用-ParseStream" class="article-heading"><a href="#使用-ParseStream" class="headerlink" title="使用 ParseStream"></a>使用 ParseStream<a class="article-anchor" href="#使用-ParseStream" aria-hidden="true"></a></h2><p>对于像 <a href="../tags/for.html">for</a> 和 <a href="../tags/if.html">if</a> 这样的复杂标签,<code>parse()</code> 会变得很复杂。使用 <a href="../api/classes/parser_parse_stream_.parsestream.html">ParseStream</a> 工具可以按事件风格来组织 <code>parse()</code> 的逻辑。下面是用 <code>ParseStream</code> 重写过的 <code>parse()</code>,实现了和上面例子中完全一样的功能。</p>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token function">parse</span><span class="token punctuation">(</span><span class="token parameter">tagToken<span class="token punctuation">,</span> remainTokens</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>tpls <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span>parser<span class="token punctuation">.</span><span class="token function">parseStream</span><span class="token punctuation">(</span>remainTokens<span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">on</span><span class="token punctuation">(</span><span class="token string">'template'</span><span class="token punctuation">,</span> <span class="token parameter">tpl</span> <span class="token operator">=></span> <span class="token keyword">this</span><span class="token punctuation">.</span>tpls<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>tpl<span class="token punctuation">)</span><span class="token punctuation">)</span>
|
||||
<span class="token comment">// 注意这里不能用箭头函数,因为我们需要 `this`</span>
|
||||
<span class="token punctuation">.</span><span class="token function">on</span><span class="token punctuation">(</span><span class="token string">'tag:endwrap'</span><span class="token punctuation">,</span> <span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">stop</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">on</span><span class="token punctuation">(</span><span class="token string">'end'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span> <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Error</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">tag </span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>tagToken<span class="token punctuation">.</span><span class="token function">getText</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token interpolation-punctuation punctuation">}</span></span><span class="token string"> not closed</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span> <span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">start</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>这是 JSFiddle 链接:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/por0zcn1/4/">http://jsfiddle.net/por0zcn1/4/</a>。简单起见,下面的例子都借助 <code>ParseStream</code> 来实现。</p>
|
||||
<h2 id="操作上下文" class="article-heading"><a href="#操作上下文" class="headerlink" title="操作上下文"></a>操作上下文<a class="article-anchor" href="#操作上下文" aria-hidden="true"></a></h2><p>上面的 <code>wrap</code> 标签看起来没什么用,反正没它也可以很容易地渲染那部分内容。我们现在来实现一个 <code>repeat</code> 标签,把内容渲染两次(还可以<a href="./parse-parameters.html">加个参数</a>让它渲染任意次):</p>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> repeat <span class="token delimiter punctuation">%}</span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> repeat<span class="token punctuation">.</span>i <span class="token delimiter punctuation">}}</span></span>. <span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> <span class="token string">"hello world!"</span> <span class="token operator">|</span> <span class="token function filter">capitalize</span> <span class="token delimiter punctuation">}}</span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> endrepeat <span class="token delimiter punctuation">%}</span></span>`<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>期望输出:</p>
|
||||
<pre class="line-numbers language-html" data-language="html"><code class="language-html">1. Hello world!
|
||||
2. Hello world!<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>你可能注意到了在 <code>repeat</code> 上下文里有个额外的变量 <code>repeat.i</code>,这就需要我们操作 <em>上下文</em>。</p>
|
||||
<blockquote class="note info"><strong class="note-title">上下文</strong><p><em>上下文</em> 定义了 Liquid 模板中每个变量的值。在 LiquidJS 中,<code>Context</code> 由一个 <code>Scope</code> 的栈组成。<em>Scope</em> 就是一个普通对象,就像传给 <code>engine.render(tpl, scope)</code> 的 <code>scope</code> 一样。</p>
|
||||
</blockquote>
|
||||
|
||||
<p>每次进入新的 <em>上下文</em> 时,我们需要 <code>push</code> 一个新的 <code>Scope</code>。当结束渲染并退出 <em>上下文</em> 时,再把 <code>Scope</code> 从 <em>上下文</em> <code>pop</code> 出来。见下面的实现:</p>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript">engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'repeat'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function">parse</span><span class="token punctuation">(</span><span class="token parameter">tagToken<span class="token punctuation">,</span> remainTokens</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>tpls <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span>parser<span class="token punctuation">.</span><span class="token function">parseStream</span><span class="token punctuation">(</span>remainTokens<span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">on</span><span class="token punctuation">(</span><span class="token string">'template'</span><span class="token punctuation">,</span> <span class="token parameter">tpl</span> <span class="token operator">=></span> <span class="token keyword">this</span><span class="token punctuation">.</span>tpls<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>tpl<span class="token punctuation">)</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">on</span><span class="token punctuation">(</span><span class="token string">'tag:endrepeat'</span><span class="token punctuation">,</span> <span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">stop</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">on</span><span class="token punctuation">(</span><span class="token string">'end'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span> <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Error</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">tag </span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>tagToken<span class="token punctuation">.</span><span class="token function">getText</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token interpolation-punctuation punctuation">}</span></span><span class="token string"> not closed</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span> <span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">start</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token operator">*</span> <span class="token function">render</span><span class="token punctuation">(</span><span class="token parameter">context<span class="token punctuation">,</span> emitter</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">const</span> repeat <span class="token operator">=</span> <span class="token punctuation">{</span> i<span class="token operator">:</span> <span class="token number">1</span> <span class="token punctuation">}</span>
|
||||
context<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token punctuation">{</span> repeat <span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token keyword">yield</span> <span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span>renderer<span class="token punctuation">.</span><span class="token function">renderTemplates</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>tpls<span class="token punctuation">,</span> context<span class="token punctuation">,</span> emitter<span class="token punctuation">)</span>
|
||||
repeat<span class="token punctuation">.</span>i<span class="token operator">++</span>
|
||||
<span class="token keyword">yield</span> <span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span>renderer<span class="token punctuation">.</span><span class="token function">renderTemplates</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>tpls<span class="token punctuation">,</span> context<span class="token punctuation">,</span> emitter<span class="token punctuation">)</span>
|
||||
context<span class="token punctuation">.</span><span class="token function">pop</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p><code>parse()</code> 部分和 <code>wrap</code> 标签完全相同,在 <code>render()</code> 部分我们通过调用两次 <code>.renderTemplates(this.tpls)</code> 来重复渲染内容。这是 JSFiddle 链接:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/por0zcn1/2/">http://jsfiddle.net/por0zcn1/2/</a>。</p>
|
||||
<blockquote class="note warn"><strong class="note-title">成对使用 Push 和 Pop</strong><p>必须成对地使用 <code>context.push()</code> 和 <code>context.pop()</code>。如果忘记 <code>pop()</code> 会导致 <code>Scope</code> 泄露给后面的模板内容,也可能损坏 <em>上下文</em> 栈。.</p>
|
||||
</blockquote>
|
||||
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="parse-parameters.html" class="article-footer-prev" title="参数解析"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="sync-and-async.html" class="article-footer-next" title="同步和异步"><span>下一页</span><i class="icon-chevron-right"></i></a>
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||||
</footer>
|
||||
</div>
|
||||
</div>
|
||||
<aside id="article-toc" role="navigation">
|
||||
<div id="article-toc-inner">
|
||||
<div id="article-toc-inner-list">
|
||||
<strong class="sidebar-title">目录</strong>
|
||||
<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%B8%B2%E6%9F%93%E6%A0%87%E7%AD%BE%E5%86%85%E5%AE%B9"><span class="toc-text">渲染标签内容</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%BD%BF%E7%94%A8-ParseStream"><span class="toc-text">使用 ParseStream</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%93%8D%E4%BD%9C%E4%B8%8A%E4%B8%8B%E6%96%87"><span class="toc-text">操作上下文</span></a></li></ol>
|
||||
</div>
|
||||
<a href="#" id="article-toc-top">回到顶部</a>
|
||||
</div>
|
||||
</aside>
|
||||
</div>
|
||||
</article>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<footer id="footer" class="wrapper">
|
||||
<div class="inner">
|
||||
<div id="footer-copyright">
|
||||
© 2022 <a href="https://github.com/harttle/liquidjs/graphs/contributors" rel="external nofollow noreferrer" target="_blank">Harttle</a><br>
|
||||
本文档通过 <a href="http://creativecommons.org/licenses/by/4.0/" rel="external nofollow noreferrer" target="_blank">CC BY 4.0</a> 授权。
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</div>
|
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<div id="footer-links">
|
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<a href="https://twitter.com/harttleharttle" rel="external nofollow noreferrer" class="footer-link" target="_blank"><i class="icon-twitter"></i></a>
|
||||
<a href="https://www.patreon.com/harttle" rel="external nofollow noreferrer" class="footer-link" target="_blank"><i class="icon-patreon"></i></a>
|
||||
<a href="https://opencollective.com/liquidjs" rel="external nofollow noreferrer" class="footer-link" target="_blank"><i class="icon-opencollective"></i></a>
|
||||
<a href="https://github.com/harttle/liquidjs" rel="external nofollow noreferrer" class="footer-link" target="_blank"><i class="icon-github"></i></a>
|
||||
</div>
|
||||
</div>
|
||||
</footer>
|
||||
|
||||
</div>
|
||||
<div id="mobile-nav-dimmer"></div>
|
||||
<nav id="mobile-nav">
|
||||
<div id="mobile-nav-inner">
|
||||
<ul id="mobile-nav-list">
|
||||
<a href="intro-to-liquid.html" class="mobile-nav-link">教程</a><a href="../tags/overview.html" class="mobile-nav-link">标签</a><a href="../filters/overview.html" class="mobile-nav-link">过滤器</a><a href="../playground.html" class="mobile-nav-link">演示</a><a href="../api/classes/liquid_.liquid.html" class="mobile-nav-link">API</a>
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||||
<li class="mobile-nav-item">
|
||||
<a href="https://github.com/harttle/liquidjs" class="mobile-nav-link" rel="external" target="_blank">GitHub</a>
|
||||
</li>
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link current">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<div id="mobile-lang-select-wrap">
|
||||
<span id="mobile-lang-select-label"><i class="icon-network"></i><span>简体中文</span></span>
|
||||
<select id="mobile-lang-select" data-canonical="tutorials/render-tag-content.html">
|
||||
|
||||
<option value="en">English</option>
|
||||
|
||||
<option value="zh-cn" selected>简体中文</option>
|
||||
|
||||
</select>
|
||||
</div>
|
||||
</nav>
|
||||
|
||||
|
||||
|
||||
<script src="../../js/main.js"></script>
|
||||
|
||||
|
||||
<script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
|
||||
<script>
|
||||
document.getElementById('search-input-wrap').classList.add('on');
|
||||
docsearch({
|
||||
apiKey: '01f36cc168657a26a385308b9e721bc6',
|
||||
indexName: 'liquidjs',
|
||||
inputSelector: '#search-input',
|
||||
debug: false
|
||||
});
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link current">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link current">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -93,21 +93,32 @@
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<p>如果你还不了解 Liquid 模板语言,请参考 <a href="./intro-to-liquid.html">Liquid 模板语言简介</a>。</p>
|
||||
<h2 id="在-Node-js-里使用" class="article-heading"><a href="#在-Node-js-里使用" class="headerlink" title="在 Node.js 里使用"></a>在 Node.js 里使用<a class="article-anchor" href="#在-Node-js-里使用" aria-hidden="true"></a></h2><p>通过 NPM 安装:</p>
|
||||
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line">npm install --save liquidjs</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">npm</span> <span class="token function">install</span> --save liquidjs<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> { Liquid } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>);</span><br><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid();</span><br><span class="line"></span><br><span class="line">engine</span><br><span class="line"> .parseAndRender(<span class="string">'{{name | capitalize}}'</span>, {<span class="attr">name</span>: <span class="string">'alice'</span>})</span><br><span class="line"> .then(<span class="built_in">console</span>.log); <span class="comment">// 输出 'Alice'</span></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
|
||||
engine
|
||||
<span class="token punctuation">.</span><span class="token function">parseAndRender</span><span class="token punctuation">(</span><span class="token string">'{{name | capitalize}}'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'alice'</span><span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span>console<span class="token punctuation">.</span>log<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 输出 'Alice'</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note info"><strong class="note-title">示例</strong><p>这里有一个 LiquidJS 在 Node.js 里使用的例子:<a href="https://github.com/harttle/liquidjs/blob/master/demo/nodejs/" rel="external nofollow noreferrer" target="_blank">liquidjs/demo/nodejs/</a>.</p>
|
||||
</blockquote>
|
||||
|
||||
<p>LiquidJS 的类型定义也导出并发布到了 NPM 包里,写 TypeScript 的项目可以直接这样使用:</p>
|
||||
<figure class="highlight typescript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">import</span> { Liquid } <span class="keyword">from</span> <span class="string">'liquidjs'</span>;</span><br><span class="line"><span class="keyword">const</span> engine = <span class="keyword">new</span> Liquid();</span><br><span class="line"></span><br><span class="line">engine</span><br><span class="line"> .parseAndRender(<span class="string">'{{name | capitalize}}'</span>, {<span class="attr">name</span>: <span class="string">'alice'</span>})</span><br><span class="line"> .then(<span class="built_in">console</span>.log); <span class="comment">// 输出 'Alice'</span></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-typescript" data-language="typescript"><code class="language-typescript"><span class="token keyword">import</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'liquidjs'</span><span class="token punctuation">;</span>
|
||||
<span class="token keyword">const</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
|
||||
engine
|
||||
<span class="token punctuation">.</span><span class="token function">parseAndRender</span><span class="token punctuation">(</span><span class="token string">'{{name | capitalize}}'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>name<span class="token operator">:</span> <span class="token string">'alice'</span><span class="token punctuation">}</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token builtin">console</span><span class="token punctuation">.</span>log<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 输出 'Alice'</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note info"><strong class="note-title">示例</strong><p>这里有一个 LiquidJS 在 TypeScript 下的例子:<a href="https://github.com/harttle/liquidjs/blob/master/demo/typescript/" rel="external nofollow noreferrer" target="_blank">liquidjs/demo/typescript/</a>.</p>
|
||||
</blockquote>
|
||||
|
||||
<h2 id="在浏览器里使用" class="article-heading"><a href="#在浏览器里使用" class="headerlink" title="在浏览器里使用"></a>在浏览器里使用<a class="article-anchor" href="#在浏览器里使用" aria-hidden="true"></a></h2><p>LiquidJS 预先构建了 UMD Bundle,可以通过 jsDelivr CDN 来引用:</p>
|
||||
<figure class="highlight html"><table><tr><td class="code"><pre><span class="line"><span class="tag"><<span class="name">script</span> <span class="attr">src</span>=<span class="string">"https://cdn.jsdelivr.net/npm/liquidjs/dist/liquid.browser.min.js"</span>></span><span class="tag"></<span class="name">script</span>></span> <span class="comment"><!--生产环境--></span></span><br><span class="line"><span class="tag"><<span class="name">script</span> <span class="attr">src</span>=<span class="string">"https://cdn.jsdelivr.net/npm/liquidjs/dist/liquid.browser.umd.js"</span>></span><span class="tag"></<span class="name">script</span>></span> <span class="comment"><!--开发环境--></span></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-html" data-language="html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation"><</span>script</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>https://cdn.jsdelivr.net/npm/liquidjs/dist/liquid.browser.min.js<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token script"></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>script</span><span class="token punctuation">></span></span> <span class="token comment"><!--生产环境--></span>
|
||||
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>script</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>https://cdn.jsdelivr.net/npm/liquidjs/dist/liquid.browser.umd.js<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token script"></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>script</span><span class="token punctuation">></span></span> <span class="token comment"><!--开发环境--></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note info"><strong class="note-title">示例</strong><p>这里有一个 jsFiddle 上的在线例子:<a href="https://jsfiddle.net/x43eb0z6/" rel="external nofollow noreferrer" target="_blank">jsfiddle.net/x43eb0z6</a>,其源码也可以在 <a href="https://github.com/harttle/liquidjs/blob/master/demo/browser/" rel="external nofollow noreferrer" target="_blank">liquidjs/demo/browser/</a> 找到。</p>
|
||||
</blockquote>
|
||||
@@ -116,16 +127,16 @@
|
||||
</blockquote>
|
||||
|
||||
<h2 id="在命令行里使用" class="article-heading"><a href="#在命令行里使用" class="headerlink" title="在命令行里使用"></a>在命令行里使用<a class="article-anchor" href="#在命令行里使用" aria-hidden="true"></a></h2><p>你还可以在命令行里使用 LiquidJS:</p>
|
||||
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">echo</span> <span class="string">'{{"hello" | capitalize}}'</span> | npx liquidjs</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token builtin class-name">echo</span> <span class="token string">'{{"hello" | capitalize}}'</span> <span class="token operator">|</span> npx liquidjs<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>模板来自标准输入,数据则来自参数,这个参数可以是一个 JSON 文件的路径,也可以是一个 JSON 字符串:</p>
|
||||
<figure class="highlight bash"><table><tr><td class="code"><pre><span class="line"><span class="built_in">echo</span> <span class="string">'Hello, {{ name }}.'</span> | npx liquidjs <span class="string">'{"name": "Snake"}'</span></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token builtin class-name">echo</span> <span class="token string">'Hello, {{ name }}.'</span> <span class="token operator">|</span> npx liquidjs <span class="token string">'{"name": "Snake"}'</span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<h2 id="其他" class="article-heading"><a href="#其他" class="headerlink" title="其他"></a>其他<a class="article-anchor" href="#其他" aria-hidden="true"></a></h2><p><a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/stevenanthonyrevo">@stevenanthonyrevo</a> 还提供了一个 ReactJS demo,请参考 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/blob/master/demo/reactjs/">liquidjs/demo/reactjs/</a>。</p>
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="intro-to-liquid.html" class="article-footer-prev" title="Liquid 简介"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="options.html" class="article-footer-next" title="选项"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -172,7 +183,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link current">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link current">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link current">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link current">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -117,20 +117,47 @@
|
||||
</blockquote>
|
||||
|
||||
<h3 id="等待-Promise" class="article-heading"><a href="#等待-Promise" class="headerlink" title="等待 Promise"></a>等待 Promise<a class="article-anchor" href="#等待-Promise" aria-hidden="true"></a></h3><p>但 LiquidJS 是支持 <code>Promise</code> 的,你仍然可以调用返回 <code>Promise</code> 的方法并等它 resolve。只需要把 <code>await</code> 换成 <code>yield</code> 并保留 <code>* render()</code> 不要改成 <code>async render()</code>。例如:</p>
|
||||
<figure class="highlight typescript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">import</span> { TagToken, Context, Emitter, TopLevelToken } <span class="keyword">from</span> <span class="string">'liquidjs'</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// Usage: {% upper "alice" %}</span></span><br><span class="line"><span class="comment">// Output: ALICE</span></span><br><span class="line">engine.registerTag(<span class="string">'upper'</span>, {</span><br><span class="line"> <span class="attr">parse</span>: <span class="function"><span class="keyword">function</span>(<span class="params">tagToken: TagToken, remainTokens: TopLevelToken[]</span>) </span>{</span><br><span class="line"> <span class="built_in">this</span>.str = tagToken.args</span><br><span class="line"> },</span><br><span class="line"> * render: <span class="function"><span class="keyword">function</span>(<span class="params">ctx: Context</span>) </span>{</span><br><span class="line"> <span class="comment">// 同步调用时 `ctx.sync == true`,`_evalValue()` 会同步地执行</span></span><br><span class="line"> <span class="keyword">var</span> str = <span class="keyword">yield</span> <span class="built_in">this</span>.liquid._evalValue(<span class="built_in">this</span>.str, ctx)</span><br><span class="line"> <span class="keyword">return</span> str.toUpperCase()</span><br><span class="line"> }</span><br><span class="line">})</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-typescript" data-language="typescript"><code class="language-typescript"><span class="token keyword">import</span> <span class="token punctuation">{</span> TagToken<span class="token punctuation">,</span> Context<span class="token punctuation">,</span> Emitter<span class="token punctuation">,</span> TopLevelToken <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'liquidjs'</span>
|
||||
|
||||
<span class="token comment">// Usage: {% upper "alice" %}</span>
|
||||
<span class="token comment">// Output: ALICE</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'upper'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function-variable function">parse</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>tagToken<span class="token operator">:</span> TagToken<span class="token punctuation">,</span> remainTokens<span class="token operator">:</span> TopLevelToken<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>str <span class="token operator">=</span> tagToken<span class="token punctuation">.</span>args
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token operator">*</span> <span class="token function-variable function">render</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>ctx<span class="token operator">:</span> Context<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token comment">// 同步调用时 `ctx.sync == true`,`_evalValue()` 会同步地执行</span>
|
||||
<span class="token keyword">var</span> str <span class="token operator">=</span> <span class="token keyword">yield</span> <span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span><span class="token function">_evalValue</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>str<span class="token punctuation">,</span> ctx<span class="token punctuation">)</span>
|
||||
<span class="token keyword">return</span> str<span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>见这个 JSFiddle:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/ctj364up/6/">http://jsfiddle.net/ctj364up/6/</a>。</p>
|
||||
<h2 id="只支持异步的标签" class="article-heading"><a href="#只支持异步的标签" class="headerlink" title="只支持异步的标签"></a>只支持异步的标签<a class="article-anchor" href="#只支持异步的标签" aria-hidden="true"></a></h2><p>对于只用于异步 API 的标签,或者只能实现为异步的标签,使用生成器语法和 async 语法并没有区别。</p>
|
||||
<p>例如,如果上面的 <code>this.liquid._evalValue()</code> 不会检查 <code>ctx.sync</code> 而且总是返回一个 <code>Promise</code>,那么即使这个标签用 <code>* render()</code> 和 <code>yield this.liquid._evalValue()</code> 实现,最终也会渲染成 <code><object Promise></code>。</p>
|
||||
<p>这时可以直接使用 async 语法。注意有些 LiquidJS API 会返回 <code>Promise</code>,有些会返回生成器。你需要用 <a href="/api/modules/liquid_.html#toPromise">toPromise</a> API 来把生成器转换为 <code>Promise</code>,比如:</p>
|
||||
<figure class="highlight typescript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">import</span> { TagToken, Context, Emitter, TopLevelToken, toPromise } <span class="keyword">from</span> <span class="string">'liquidjs'</span></span><br><span class="line"></span><br><span class="line"><span class="comment">// Usage: {% upper "alice" %}</span></span><br><span class="line"><span class="comment">// Output: ALICE</span></span><br><span class="line">engine.registerTag(<span class="string">'upper'</span>, {</span><br><span class="line"> <span class="attr">parse</span>: <span class="function"><span class="keyword">function</span>(<span class="params">tagToken: TagToken, remainTokens: TopLevelToken[]</span>) </span>{</span><br><span class="line"> <span class="built_in">this</span>.str = tagToken.args; <span class="comment">// name</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">render</span>: <span class="keyword">async</span> <span class="function"><span class="keyword">function</span>(<span class="params">ctx: Context</span>) </span>{</span><br><span class="line"> <span class="keyword">var</span> str = <span class="keyword">await</span> toPromise(<span class="built_in">this</span>.liquid._evalValue(<span class="built_in">this</span>.str, ctx));</span><br><span class="line"> <span class="comment">// Or use the alternate API that returns a Promise</span></span><br><span class="line"> <span class="comment">// var str = await this.liquid.evalValue(this.str, ctx);</span></span><br><span class="line"> <span class="keyword">return</span> str.toUpperCase()</span><br><span class="line"> }</span><br><span class="line">});</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-typescript" data-language="typescript"><code class="language-typescript"><span class="token keyword">import</span> <span class="token punctuation">{</span> TagToken<span class="token punctuation">,</span> Context<span class="token punctuation">,</span> Emitter<span class="token punctuation">,</span> TopLevelToken<span class="token punctuation">,</span> toPromise <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'liquidjs'</span>
|
||||
|
||||
<span class="token comment">// Usage: {% upper "alice" %}</span>
|
||||
<span class="token comment">// Output: ALICE</span>
|
||||
engine<span class="token punctuation">.</span><span class="token function">registerTag</span><span class="token punctuation">(</span><span class="token string">'upper'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
|
||||
<span class="token function-variable function">parse</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>tagToken<span class="token operator">:</span> TagToken<span class="token punctuation">,</span> remainTokens<span class="token operator">:</span> TopLevelToken<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">this</span><span class="token punctuation">.</span>str <span class="token operator">=</span> tagToken<span class="token punctuation">.</span>args<span class="token punctuation">;</span> <span class="token comment">// name</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||||
<span class="token function-variable function">render</span><span class="token operator">:</span> <span class="token keyword">async</span> <span class="token keyword">function</span><span class="token punctuation">(</span>ctx<span class="token operator">:</span> Context<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||||
<span class="token keyword">var</span> str <span class="token operator">=</span> <span class="token keyword">await</span> <span class="token function">toPromise</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>liquid<span class="token punctuation">.</span><span class="token function">_evalValue</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>str<span class="token punctuation">,</span> ctx<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token comment">// Or use the alternate API that returns a Promise</span>
|
||||
<span class="token comment">// var str = await this.liquid.evalValue(this.str, ctx);</span>
|
||||
<span class="token keyword">return</span> str<span class="token punctuation">.</span><span class="token function">toUpperCase</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||||
<span class="token punctuation">}</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>见这个 JSFiddle:<a target="_blank" rel="noopener external nofollow noreferrer" href="http://jsfiddle.net/ctj364up/5/">http://jsfiddle.net/ctj364up/5/</a>。</p>
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<a href="parse-parameters.html" class="article-footer-prev" title="参数解析"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="whitespace-control.html" class="article-footer-next" title="换行和缩进"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="render-tag-content.html" class="article-footer-prev" title="渲染标签内容"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="whitespace-control.html" class="article-footer-next" title="换行和缩进"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
</div>
|
||||
@@ -176,7 +203,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link current">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link current">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link current">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link current">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -225,7 +225,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="operators.html" class="article-footer-prev" title="运算符"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="migrate-to-9.html" class="article-footer-next" title="迁移到 LiquidJS 9"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -272,7 +272,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link current">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link current">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link current">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link current">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -92,28 +92,49 @@
|
||||
</header>
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<p>LiquidJS 可以用来作为 <a target="_blank" rel="noopener external nofollow noreferrer" href="https://expressjs.com/en/resources/template-engines.html">Express 的模板引擎</a>。可以把 Liquid 设置到 <a target="_blank" rel="noopener external nofollow noreferrer" href="http://expressjs.com/en/guide/using-template-engines.html">view engine</a> 选项上即可:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> { Liquid } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>);</span><br><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid();</span><br><span class="line"></span><br><span class="line"><span class="comment">// 注册为 liquid 文件的模板引擎</span></span><br><span class="line">app.engine(<span class="string">'liquid'</span>, engine.express()); </span><br><span class="line">app.set(<span class="string">'views'</span>, <span class="string">'./views'</span>); <span class="comment">// 指定模板目录</span></span><br><span class="line">app.set(<span class="string">'view engine'</span>, <span class="string">'liquid'</span>); <span class="comment">// 把 liquid 文件设为默认模板</span></span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
|
||||
<span class="token comment">// 注册为 liquid 文件的模板引擎</span>
|
||||
app<span class="token punctuation">.</span><span class="token function">engine</span><span class="token punctuation">(</span><span class="token string">'liquid'</span><span class="token punctuation">,</span> engine<span class="token punctuation">.</span><span class="token function">express</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
app<span class="token punctuation">.</span><span class="token function">set</span><span class="token punctuation">(</span><span class="token string">'views'</span><span class="token punctuation">,</span> <span class="token string">'./views'</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 指定模板目录</span>
|
||||
app<span class="token punctuation">.</span><span class="token function">set</span><span class="token punctuation">(</span><span class="token string">'view engine'</span><span class="token punctuation">,</span> <span class="token string">'liquid'</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 把 liquid 文件设为默认模板</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<blockquote class="note info"><strong class="note-title">示例</strong><p>这是一个在 Express.js 中使用 LiquidJS 的例子:<a href="https://github.com/harttle/liquidjs/blob/master/demo/express/" rel="external nofollow noreferrer" target="_blank">liquidjs/demo/express/</a>.</p>
|
||||
</blockquote>
|
||||
|
||||
<h2 id="模板查找" class="article-heading"><a href="#模板查找" class="headerlink" title="模板查找"></a>模板查找<a class="article-anchor" href="#模板查找" aria-hidden="true"></a></h2><p>LiquidJS 仍然会去 <a href="../../api/interfaces/liquid_options_.liquidoptions.html#Optional-root">root</a> 指定的目录查找(参考 <a href="./render-a-file.html">Render A Template File</a>),也会去 Express.js 的 <a target="_blank" rel="noopener external nofollow noreferrer" href="http://expressjs.com/en/guide/using-template-engines.html"><code>views</code></a> 选项指定的目录里(上述例子中是 <code>./views</code>)去查找。例如你有这样的目录结构:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">.</span><br><span class="line">├── views1/</span><br><span class="line">│ └── hello.liquid</span><br><span class="line">└── views2/</span><br><span class="line"> └── world.liquid</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">.
|
||||
├── views1/
|
||||
│ └── hello.liquid
|
||||
└── views2/
|
||||
└── world.liquid<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>LiquidJS 的模板 root 设置到了 <code>views1</code>,Express.js 的 views 设置到了 <code>views2</code>:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> { Liquid } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>);</span><br><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">root</span>: <span class="string">'./views1/'</span></span><br><span class="line">});</span><br><span class="line"></span><br><span class="line">app.engine(<span class="string">'liquid'</span>, engine.express()); </span><br><span class="line">app.set(<span class="string">'views'</span>, <span class="string">'./views2'</span>);</span><br><span class="line">app.set(<span class="string">'view engine'</span>, <span class="string">'liquid'</span>);</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
root<span class="token operator">:</span> <span class="token string">'./views1/'</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
|
||||
app<span class="token punctuation">.</span><span class="token function">engine</span><span class="token punctuation">(</span><span class="token string">'liquid'</span><span class="token punctuation">,</span> engine<span class="token punctuation">.</span><span class="token function">express</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
app<span class="token punctuation">.</span><span class="token function">set</span><span class="token punctuation">(</span><span class="token string">'views'</span><span class="token punctuation">,</span> <span class="token string">'./views2'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
app<span class="token punctuation">.</span><span class="token function">set</span><span class="token punctuation">(</span><span class="token string">'view engine'</span><span class="token punctuation">,</span> <span class="token string">'liquid'</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p><code>hello.liquid</code> 和 <code>world.liquid</code> 两个文件都可以找到并且成功渲染:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line">res.render(<span class="string">'hello'</span>)</span><br><span class="line">res.render(<span class="string">'world'</span>)</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript">res<span class="token punctuation">.</span><span class="token function">render</span><span class="token punctuation">(</span><span class="token string">'hello'</span><span class="token punctuation">)</span>
|
||||
res<span class="token punctuation">.</span><span class="token function">render</span><span class="token punctuation">(</span><span class="token string">'world'</span><span class="token punctuation">)</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<h2 id="缓存" class="article-heading"><a href="#缓存" class="headerlink" title="缓存"></a>缓存<a class="article-anchor" href="#缓存" aria-hidden="true"></a></h2><p>直接把 <a href="../../api/interfaces/liquid_options_.liquidoptions.html#Optional-cache">cache 选项</a> 设为 <code>true</code> 即可开启模板缓存,参考 <a href="./caching.html">缓存</a> 一文。推荐在生产环境中开启缓存,可以用如下代码:</p>
|
||||
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">var</span> { Liquid } = <span class="built_in">require</span>(<span class="string">'liquidjs'</span>);</span><br><span class="line"><span class="keyword">var</span> engine = <span class="keyword">new</span> Liquid({</span><br><span class="line"> <span class="attr">cache</span>: process.env.NODE_ENV === <span class="string">'production'</span></span><br><span class="line">});</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-javascript" data-language="javascript"><code class="language-javascript"><span class="token keyword">var</span> <span class="token punctuation">{</span> Liquid <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'liquidjs'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||||
<span class="token keyword">var</span> engine <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Liquid</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
|
||||
cache<span class="token operator">:</span> process<span class="token punctuation">.</span>env<span class="token punctuation">.</span><span class="token constant">NODE_ENV</span> <span class="token operator">===</span> <span class="token string">'production'</span>
|
||||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
|
||||
|
||||
<p><code>cache</code> 还可以是一个数字表示最大缓存的模板数量,也可以是一个自定义的缓存实现,详情请参考 <a href="../../api/interfaces/liquid_options_.liquidoptions.html#Optional-cache">cache 选项</a>。</p>
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="partials-and-layouts.html" class="article-footer-prev" title="引用/继承"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="caching.html" class="article-footer-next" title="缓存"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -160,7 +181,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link current">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link current">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
@@ -77,7 +77,7 @@
|
||||
<div id="content-inner">
|
||||
<aside id="sidebar" role="navigation">
|
||||
<div class="inner">
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link current">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
<strong class="sidebar-title">开始使用</strong><a href="intro-to-liquid.html" class="sidebar-link">Liquid 简介</a><a href="setup.html" class="sidebar-link">安装</a><a href="options.html" class="sidebar-link">选项</a><a href="render-file.html" class="sidebar-link">文件渲染</a><a href="partials-and-layouts.html" class="sidebar-link">引用/继承</a><a href="use-in-expressjs.html" class="sidebar-link">Express.js 中使用</a><strong class="sidebar-title">高级主题</strong><a href="caching.html" class="sidebar-link">缓存</a><a href="register-filters-tags.html" class="sidebar-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="sidebar-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="sidebar-link">参数解析</a><a href="render-tag-content.html" class="sidebar-link">渲染标签内容</a><a href="sync-and-async.html" class="sidebar-link">同步和异步</a><a href="whitespace-control.html" class="sidebar-link current">换行和缩进</a><a href="plugins.html" class="sidebar-link">插件</a><a href="operators.html" class="sidebar-link">运算符</a><a href="truthy-and-falsy.html" class="sidebar-link">真和假</a><strong class="sidebar-title">其他</strong><a href="migrate-to-9.html" class="sidebar-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="sidebar-link">更新日志</a><a href="differences.html" class="sidebar-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="sidebar-link">贡献指南</a>
|
||||
</div>
|
||||
</aside>
|
||||
<article class="article-container" itemscope itemtype="http://schema.org/Article">
|
||||
@@ -93,16 +93,19 @@
|
||||
<div class="article-content" itemprop="articleBody">
|
||||
<p>为了让源代码缩进好看,我们会加很多空白字符比如把不会产生输出的标签也单独一行。LiquidJS 提供了空白字符控制机制,可以避免这些多余的空白字符输出到 HTML 中。</p>
|
||||
<h2 id="通过标记的方式" class="article-heading"><a href="#通过标记的方式" class="headerlink" title="通过标记的方式"></a>通过标记的方式<a class="article-anchor" href="#通过标记的方式" aria-hidden="true"></a></h2><p>默认所有标签和输出的行,都会在行尾产生一个换行(<code>\n</code>),如果有缩进的话还会产生很多前导空格。例如:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% author = "harttle" %}</span><br><span class="line">{{ author }}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> author <span class="token operator">=</span> <span class="token string">"harttle"</span> <span class="token delimiter punctuation">%}</span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> author <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>将会输出(注意前面的空行):</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line"></span><br><span class="line">harttle</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">
|
||||
harttle<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>可以在标签和输出的标记里面加横线(<code>{{-`, `-}}`, `{%-</code>, <code>-%}</code>)来移除左侧/右侧的空白。例如:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">{% assign author = "harttle" -%}</span><br><span class="line">{{ author }}</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid"><span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">assign</span> author <span class="token operator">=</span> <span class="token string">"harttle"</span> <span class="token delimiter punctuation">-%}</span></span>
|
||||
<span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> author <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
|
||||
|
||||
<p>将会输出:</p>
|
||||
<figure class="highlight plaintext"><table><tr><td class="code"><pre><span class="line">harttle</span><br></pre></td></tr></table></figure>
|
||||
<pre class="line-numbers language-none"><code class="language-none">harttle<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
|
||||
|
||||
<p>这个例子中 <code>-%}</code> 移除了 <code>assign</code> 标签右侧的空白。</p>
|
||||
<h2 id="通过选项" class="article-heading"><a href="#通过选项" class="headerlink" title="通过选项"></a>通过选项<a class="article-anchor" href="#通过选项" aria-hidden="true"></a></h2><p>此外 LiquidJS 还提供了一系列选项来帮助扫代码式地移除空白:</p>
|
||||
@@ -117,7 +120,7 @@
|
||||
|
||||
</div>
|
||||
<footer class="article-footer">
|
||||
<time class="article-footer-updated" datetime="2022-01-22T16:03:03.368Z" itemprop="dateModified">上次更新:2022-01-22</time>
|
||||
<time class="article-footer-updated" datetime="2022-01-23T06:25:32.650Z" itemprop="dateModified">上次更新:2022-01-23</time>
|
||||
<a href="sync-and-async.html" class="article-footer-prev" title="同步和异步"><i class="icon-chevron-left"></i><span>上一页</span></a><a href="plugins.html" class="article-footer-next" title="插件"><span>下一页</span><i class="icon-chevron-right"></i></a>
|
||||
</footer>
|
||||
</div>
|
||||
@@ -164,7 +167,7 @@
|
||||
</ul>
|
||||
|
||||
<div class="mobile-sidebar-list">
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link current">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
<strong class="mobile-nav-title">开始使用</strong><a href="intro-to-liquid.html" class="mobile-nav-link">Liquid 简介</a><a href="setup.html" class="mobile-nav-link">安装</a><a href="options.html" class="mobile-nav-link">选项</a><a href="render-file.html" class="mobile-nav-link">文件渲染</a><a href="partials-and-layouts.html" class="mobile-nav-link">引用/继承</a><a href="use-in-expressjs.html" class="mobile-nav-link">Express.js 中使用</a><strong class="mobile-nav-title">高级主题</strong><a href="caching.html" class="mobile-nav-link">缓存</a><a href="register-filters-tags.html" class="mobile-nav-link">注册标签/过滤器</a><a href="access-scope-in-filters.html" class="mobile-nav-link">过滤器里访问上下文</a><a href="parse-parameters.html" class="mobile-nav-link">参数解析</a><a href="render-tag-content.html" class="mobile-nav-link">渲染标签内容</a><a href="sync-and-async.html" class="mobile-nav-link">同步和异步</a><a href="whitespace-control.html" class="mobile-nav-link current">换行和缩进</a><a href="plugins.html" class="mobile-nav-link">插件</a><a href="operators.html" class="mobile-nav-link">运算符</a><a href="truthy-and-falsy.html" class="mobile-nav-link">真和假</a><strong class="mobile-nav-title">其他</strong><a href="migrate-to-9.html" class="mobile-nav-link">迁移到 LiquidJS 9</a><a href="changelog.html" class="mobile-nav-link">更新日志</a><a href="differences.html" class="mobile-nav-link">与 Shopify/liquid 的不同</a><a href="contribution-guidelines.html" class="mobile-nav-link">贡献指南</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
Reference in New Issue
Block a user