WeChat applet uses checkbox to display multiple selection box function [source code attached]

This article mainly introduces the function of using checkbox to display multiple selection boxes in WeChat applet, involving related event binding and element traversal operation techniques, and comes with source code for readers to download and refer to. Friends in need can refer to it

The example in this article describes the WeChat applet's use of checkbox to display multiple selection boxes. Share it with everyone for your reference, the details are as follows:

1. Effect display

##2. Key code

① index.wxml

<checkbox-group bindchange="checkboxgroupBindchange">
 <checkbox value="checkbox1">checkbox1</checkbox>
 <checkbox value="checkbox2">checkbox2</checkbox>
 <checkbox value="checkbox3">checkbox3</checkbox>
</checkbox-group>
<view>提示：{{text}}</view>

② index.js

Page({
 data:{
  // text:"这是一个页面"
  text:''
 },
 checkboxgroupBindchange:function(e){
  var temp1=e.detail.value
  var temp2=''
  console.log(temp1)
  if(temp1.length!=0){
   for(var i=0,len=temp1.length;i<len;i++){
    temp2=temp2+temp1[i]+&#39;,&#39;
   }
   this.setData({
    text:&#39;您选择了：&#39;+temp2
   })
  }else{
   this.setData({
    text:&#39;&#39;
   })
  }
 }
})

3. Source code

For detailed usage instructions of the checkbox component, please refer to the official website:

https://mp.weixin.qq.com/debug/wxadoc/dev/component/checkbox.html

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