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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="escaping.html" class="sidebar-link current">转义</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="drops.html" class="sidebar-link">Liquid Drop</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><a href="dos.html" class="sidebar-link">DoS</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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<article class="article-container" itemscope itemtype="https://schema.org/Article">
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<div class="article">
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<div class="inner">
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<header class="article-header">
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<h1 class="article-title" itemprop="name">转义</h1>
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<a target="_blank" rel="noopener external nofollow noreferrer" href="https://github.com/harttle/liquidjs/edit/master/docs/source/zh-cn/tutorials/escaping.md" class="article-edit-link" title="改进这篇文档"><i class="icon-pencil"></i></a>
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</header>
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<div class="article-content" itemprop="articleBody">
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<p>LiquidJS 种转义有两种含义：</p>
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<ol>
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<li>输出语言的转义，即 HTML 转义。用来让输出的变量不包含 HTML 特殊字符，不影响 HTML 的结构，也就是输出 HTML 安全的字符串。</li>
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<li>语言自己的转义，即 Liquid 转义。用来输出包含对于 Liquid 语言来说是特殊字符的字符串，比如你在使用 Liquid 模板语言来编写一篇介绍 Liquid 语法的文章时就会需要 Liquid 转义。</li>
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</ol>
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<h2 id="HTML-转义" class="article-heading"><a href="#HTML-转义" class="headerlink" title="HTML 转义"></a>HTML 转义<a class="article-anchor" href="#HTML-转义" aria-hidden="true"></a></h2><p>默认情况下输出是不转义的，但你可以用 <a href="../filters/escape.html">escape</a> 过滤器来做 HTML 转义：</p>
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<p>输入</p>
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<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 string">"1 < 2"</span> <span class="token operator">|</span> <span class="token function filter">escape</span> <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<p>输出</p>
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<pre class="line-numbers language-text" data-language="text"><code class="language-text">1 &lt; 2<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<p>LiquidJS 也提供了其他过滤器来支持不同的转义需求：<a href="../filters/escape.html">escape_once</a>, <a href="../filters/newline_to_br.html">newline_to_br</a>, <a href="../filters/strip_html.html">strip_html</a>。</p>
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<p>当输出的变量不被信任时，可以把 <a href="./options.html#outputEscape">outputEscape</a> 参数设置为 <code>"escape"</code> 来启用默认 HTML 转义。这种情况下，如果你需要某个输出不被转义，则需要使用 <a href="../filters/raw.html">raw</a> 过滤器：</p>
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<p>输入</p>
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<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 string">"1 < 2"</span> <span class="token delimiter punctuation">}}</span></span>
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<span class="token liquid language-liquid"><span class="token delimiter punctuation">{{</span> <span class="token string">"<button>OK</button>"</span> <span class="token operator">|</span> <span class="token keyword">raw</span> <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
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<p>输出</p>
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<pre class="line-numbers language-text" data-language="text"><code class="language-text">1 &lt; 2
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<button>OK</button><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
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<h2 id="Liquid-转义" class="article-heading"><a href="#Liquid-转义" class="headerlink" title="Liquid 转义"></a>Liquid 转义<a class="article-anchor" href="#Liquid-转义" aria-hidden="true"></a></h2><p>为了输出 Liquid 的特殊字符比如 <code>{{</code> 和 <code>{%</code>，你需要 <a href="../filters/raw.html">raw</a> 标签。</p>
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<p>输入</p>
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<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">raw</span> <span class="token delimiter punctuation">%}</span></span>
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In LiquidJS, {{ this | escape }} will be HTML-escaped, but
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{{{ that }}} will not.
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<span class="token liquid language-liquid"><span class="token delimiter punctuation">{%</span> <span class="token keyword">endraw</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></code></pre>
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<p>输出</p>
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<pre class="line-numbers language-text" data-language="text"><code class="language-text">In LiquidJS, {{ this | escape }} will be HTML-escaped, but
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{{{ that }}} will not.<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
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<p>Within strings literals in LiquidJS template, <code>\</code> can be used to escape special characters in string syntax. For example:</p>
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<p>输入</p>
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<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 string">"\"</span>" <span class="token delimiter punctuation">}}</span></span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<p>输出</p>
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<pre class="line-numbers language-liquid" data-language="liquid"><code class="language-liquid">"<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<footer class="article-footer">
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<time class="article-footer-updated" datetime="2024-09-15T05:30:26.871Z" itemprop="dateModified">上次更新：2024-09-15</time>
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<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="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>
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<strong class="sidebar-title">目录</strong>
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<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#HTML-%E8%BD%AC%E4%B9%89"><span class="toc-text">HTML 转义</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#Liquid-%E8%BD%AC%E4%B9%89"><span class="toc-text">Liquid 转义</span></a></li></ol>
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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="escaping.html" class="mobile-nav-link current">转义</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="drops.html" class="mobile-nav-link">Liquid Drop</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><a href="dos.html" class="mobile-nav-link">DoS</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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