where_exp

v10.12.0

从数组中选择所有表达式值为真的对象。下面的例子中，假设你要从产品列表中筛选出来厨房用品。利用 where_exp 可以创建一个只包含 "type" 为 "kitchen" 的列表。

输入

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All products:
{% for product in products %}
- {{ product.title }}
{% endfor %}

{% assign kitchen_products = products | where_exp: "item", "item.type == 'kitchen'" %}

Kitchen products:
{% for product in kitchen_products %}
- {{ product.title }}
{% endfor %}

输出

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All products:
- Vacuum
- Spatula
- Television
- Garlic press

Kitchen products:
- Spatula
- Garlic press