微信小程序官方组件展示之表单组件checkbox源码

Page({
 onShareAppMessage() {
 return {
 title: 'checkbox',
 path: 'page/component/pages/checkbox/checkbox'
 }
 },
 data: {
 items: [
 {value: 'USA', name: '美国'},
 {value: 'CHN', name: '中国', checked: 'true'},
 {value: 'BRA', name: '巴西'},
 {value: 'JPN', name: '日本'},
 {value: 'ENG', name: '英国'},
 {value: 'FRA', name: '法国'}
 ]
 },
 checkboxChange(e) {
 console.log('checkbox发生change事件，携带value值为：', e.detail.value)
 const items = this.data.items
 const values = e.detail.value
 for (let i = 0, lenI = items.length; i < lenI; ++i) {
 items[i].checked = false
 for (let j = 0, lenJ = values.length; j < lenJ; ++j) {
 if (items[i].value === values[j]) {
 items[i].checked = true
 break
 }
 }
 }
 this.setData({
 items
 })
 }
})

<view class="container">
 <view class="page-body">
 <view class="page-section page-section-gap">
 <view class="page-section-title">默认样式</view>
 <label class="checkbox">
 <checkbox value="cb" checked="true"/>选中
 </label>
 <label class="checkbox">
 <checkbox value="cb" />未选中
 </label>
 </view>
 <view class="page-section">
 <view class="page-section-title">推荐展示样式</view>
 <view class="weui-cells weui-cells_after-title">
 <checkbox-group bindchange="checkboxChange">
 <label class="weui-cell weui-check__label" wx:for="{{items}}" wx:key="{{item.value}}">
 <view class="weui-cell__hd">
 <checkbox value="{{item.value}}" checked="{{item.checked}}"/>
 </view>
 <view class="weui-cell__bd">{{item.name}}</view>
 </label>
 </checkbox-group>
 </view>
 </view>
 </view>
</view>