How to pass data to template in WeChat applet-JS Tutorial-php.cn

How to pass data to template in WeChat applet

亚连

Release： 2018-06-20 11:30:00

Original

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This article mainly introduces the way in which WeChat applet implements data transfer to nested template templates. It summarizes and analyzes the definition, calling, parameter transfer and related usage skills of nested template templates in WeChat applet in the form of examples. What is needed Friends can refer to

The example in this article summarizes the way in which WeChat applet implements data transfer to nested templates. Share it with everyone for your reference, the details are as follows:

1. When the data called by the template template is in a single form:

indexTemplate template:

<import src="../lookAndCollect-template/lookAndCollect-template.wxml" />
<template name="indexTemplate">
 <view class="user-info">
  <image class="avatar" src="{{avatar}}"></image>
  <text class="name">{{name}}</text>
  <text class="date">{{date}}</text>
 </view>
 <view class="news">
  <text class="news-title">{{title}}</text>
  <image class="news-img" src="{{newsImg}}"></image>
  <text class="news-content">{{content}}</text>
 </view>
 <template is="reviewAndCollect" data="{{review,look}}"></template>
</template>

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lookAndCollect template:

<template name="lookAndCollect-template">
 <view class="lookAndCollect-template">
  <view class="lookAndCollect-template-review">
   <image src="/smallApp/images/icon/view.png"></image>
   <text>{{look}}</text>
  </view>
  <view class="lookAndCollect-template-look">
   <image src="/smallApp/images/icon/chat.png"></image>
   <text>{{collect}}</text>
  </view>
 </view>
</template>

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The reference of indexTemplate template in index.wxml:

  <block wx:for="{{newsData}}" wx:for-item="newsItem">
   <view class="item">
    <template is="indexTemplate" data="{{...newsItem}}" />
   </view>
  </block>

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index.wxml corresponding index.js writing method:

var newsDataList = require("../index-data.js");
Page({
  data: {
  },
  onLoad: function (option) {
    this.setData({
      newsData: newsDataList.dataList
    });
  }
})

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Use a single form of data in the template:

var news_data = [
  {
    listId: "0",
    avatar: "/smallApp/images/avatar/1.png",
    name: "我是大猫猫",
    date: "16分钟前",
    title: "搞事情?法国招聘新特工 会汉语成必备条件",
    newsImg: "/smallApp/images/post/crab.png",
    content: "是的，你没看错，据法国《费加罗报》报道，法国境外安全总局（DGSE）欲在2019年前招募600名新特工，而且新的特工必须年轻、有高等文凭，会多国语言，并且熟悉电脑与互联网。",
    review: "0",
    look: "30"
  },
  {
    listId: "1",
    avatar: "/smallApp/images/avatar/2.png",
    name: "风口上的猪",
    date: "1天前",
    title: "顺丰控股上市次日盘中涨停 离首富差4个涨停",
    newsImg: "/smallApp/images/post/bl.png",
    content: "根据之前借壳方鼎泰新材发布的公告，该公司定增完成后，第一大股东将变更为深圳明德控股发展有限公司(简称“明德控股”)，持股比例为64.58%，后4名分别为宁波顺达丰润投资管理合伙企业(有限合伙)…",
    review: "100",
    look: "380"
  }
];
module.exports = {
  dataList: news_data
}

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If you need to pass in multiple data in a nested template, you can separate each data with a comma.

2. The calling method when nested template calls include object objects:

The data review and look used in the template are in the form of objects When presenting:

var news_data = [
  {
    listId: "0",
    avatar: "/smallApp/images/avatar/1.png",
    name: "我是大猫猫",
    date: "16分钟前",
    title: "搞事情?法国招聘新特工 会汉语成必备条件",
    newsImg: "/smallApp/images/post/crab.png",
    content: "是的，你没看错，据法国《费加罗报》报道，法国境外安全总局（DGSE）欲在2019年前招募600名新特工，而且新的特工必须年轻、有高等文凭，会多国语言，并且熟悉电脑与互联网。",
    reviewAndCollect {
      review: "0",
      look: "30"
    }
  },
  {
    listId: "1",
    avatar: "/smallApp/images/avatar/2.png",
    name: "风口上的猪",
    date: "1天前",
    title: "顺丰控股上市次日盘中涨停 离首富差4个涨停",
    newsImg: "/smallApp/images/post/bl.png",
    content: "根据之前借壳方鼎泰新材发布的公告，该公司定增完成后，第一大股东将变更为深圳明德控股发展有限公司(简称“明德控股”)，持股比例为64.58%，后4名分别为宁波顺达丰润投资管理合伙企业(有限合伙)…",
    reviewAndCollect {
      review: "120",
      look: "300"
    }
  }
];
module.exports = {
  dataList: news_data
}

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indexTemplate template

<import src="../lookAndCollect-template/lookAndCollect-template.wxml" />
<template name="indexTemplate">
 <view class="user-info">
  <image class="avatar" src="{{avatar}}"></image>
  <text class="name">{{name}}</text>
  <text class="date">{{date}}</text>
 </view>
 <view class="news">
  <text class="news-title">{{title}}</text>
  <image class="news-img" src="{{newsImg}}"></image>
  <text class="news-content">{{content}}</text>
 </view>
 <template is="reviewAndCollect" data="{{reviewAndCollect}}"></template>
</template>

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lookAndCollect template:

<template name="lookAndCollect-template">
 <view class="lookAndCollect-template">
  <view class="lookAndCollect-template-review">
   <image src="/smallApp/images/icon/view.png"></image>
   <text>{{reviewAndCollect.look}}</text>
  </view>
  <view class="lookAndCollect-template-look">
   <image src="/smallApp/images/icon/chat.png"></image>
   <text>{{reviewAndCollect.collect}}</text>
  </view>
 </view>
</template>

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The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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