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Templates
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Last updated: 2024-11-21 18:34:18
Templates
Last updated: 2024-11-21 18:34:18
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WXML provides templates, in which you can define code snippets and then call them in different places.

Defining a Template

Use the name property to specify the name of the template. Then, define a code snippet in <template/>. For example:
<!--
  index: int
  msg: string
  time: string
-->
<template name="msgItem">
  <view>
    <text> {{index}}: {{msg}} </text>
    <text> Time: {{time}} </text>
  </view>
</template>

Using the Template

Using the is attribute, declare the template you want to use, and then pass in the data the template needs, for example:
<template is="msgItem" data="{{...item}}"/>
Page({
  data: {
    item: {
      index: 0,
      msg: 'this is a template',
      time: '2016-09-15'
    }
  }
})
The is property can use Mustache syntax to dynamically determine the template to be rendered:
<template name="odd">
  <view> odd </view>
</template>
<template name="even">
  <view> even </view>
</template>

<block wx:for="{{[1, 2, 3, 4, 5]}}">
  <template is="{{item % 2 == 0 ? 'even' : 'odd'}}"/>
</block>

Template Scope

Templates have their own scopes. They can only use the data passed by data and the <wxs /> module defined in the file defined by the template.

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