【Kevin Learn 小程序】--＞switch

效果图

属性

参考：​​switch​​

代码

1. app.js

//app.js
App({
  onLaunch: function () {
    console.log('App Launch')
  },
  onShow: function () {
    console.log('App Show')
  },
  onHide: function () {
    console.log('App Hide')
  },
  globalData: {
    hasLogin: false
  }
})

2. app.json

{
  "pages": [
    "pages/switch/switch",
    "pages/logs/logs"
  ],
  "window": {
    "backgroundTextStyle": "light",
    "navigationBarBackgroundColor": "#fff",
    "navigationBarTitleText": "WeChat",
    "navigationBarTextStyle": "black"
  },
  "style": "v2",
  "sitemapLocation": "sitemap.json"
}

3. switch.js

var pageData = {
  data: {
    switch1Checked: true,
    switch2Checked: false,
    switch1Style: '',
    switch2Style: 'text-decoration: line-through'
  }
}
for (var i = 1; i <= 2; ++i) {
  (function (index) {
    pageData[`switch${index}Change`] = function (e) {
      console.log(`switch${index}发生change事件，携带值为`, e.detail.value)
      var obj = {}
      obj[`switch${index}Checked`] = e.detail.value
      this.setData(obj)
      obj = {}
      obj[`switch${index}Style`] = e.detail.value ? '' : 'text-decoration: line-through'
      this.setData(obj)
    }
  })(i)
}
Page(pageData)

4. switch.wxml

<view class="page">
    <view class="page__hd">
        <text class="page__title">switch</text>
        <text class="page__desc">开关</text>
    </view>
    <view class="page__bd">
        <view class="section section_gap">
            <view class="section__title">type="switch"</view>
            <view class="body-view">
                <switch checked="{{switch1Checked}}" bindchange="switch1Change"/>
            </view>
        </view>

        <view class="section section_gap">
            <view class="section__title">type="checkbox"</view>
            <view class="body-view">
                <switch type="checkbox" checked="{{switch2Checked}}" bindchange="switch2Change"/>
            </view>
        </view>
    </view>
</view>