微信小程序实现工作时间段选择

<!--pages/addtime/index.wxml-->
<view class='main'>
 <view class='when'>
  <form bindsubmit='formSubmit'>
  <button formType='submit' id='save'>保存</button>
   <!-- 选择时间段 -->
   <view class="selectTime">
     <text>时段：</text>
     <view class="section">
      <picker mode="time" value="{{time}}" start="09:00" end="21:00" bindchange="bindTimeChange" id='startTime'>
      <!-- 在js中判断所选picker的id为startTime时，将value赋值给startTime，放在input内 -->
       <view class="picker">
         <input placeholder='开始时间' value='{{startTime}}' name="startTime"></input>
       </view>
      </picker>
     </view>
     <text>至</text>
    <view class="section">
      <picker mode="time" value="{{time}}" start="09:00" end="21:00" bindchange="bindTimeChange" id='endTime'>
      <!-- 在js中判断所选picker的id为endTime时，将value赋值给endTime，放在input内 -->
      
       <view class="picker">
         <input placeholder='结束时间' value='{{endTime}}' name="endTime"></input>
       </view>
      </picker>
     </view>
   </view>
 
   <!-- 选择星期 -->
   <view class='selectDay'>
    <checkbox-group bindchange="checkboxChange" name="checkbox">
      重复：
      <!--写一个class选择后的背景色，在js中处理对应布尔值，在class中用三元式判断布尔并加背景色 -->
      <label class="checkbox {{selected.monday" for='monday'>
      一
       <checkbox value="monday" id='monday' hidden/>
      </label>
 
      <label class="checkbox {{selected.tuesday" for='tuesday'>
      二
       <checkbox value="tuesday" id='tuesday' hidden/>
      </label>
 
      <label class="checkbox {{selected.wednesday" for='wednesday'>
      三
       <checkbox value="wednesday" id='wednesday' hidden/>
      </label>
 
      <label class="checkbox {{selected.thursday" for='thursday'>
      四
       <checkbox value="thursday" id='thursday' hidden/>
      </label>
 
      <label class="checkbox {{selected.friday" for='friday'>
      五
       <checkbox value="friday" id='friday' hidden/>
      </label>
 
      <label class="checkbox {{selected.saturday" for='saturday'>
     六
       <checkbox value="saturday" id='saturday' hidden/>
      </label>
 
      <label class="checkbox {{selected.sunday" for='sunday'>
     七
       <checkbox value="sunday" id='sunday' hidden/>
      </label>
 
    </checkbox-group>
   </view>
  </form>
 </view>
</view>

// pages/mine/index.js
Page({
 
 /**
  * 页面的初始数据
  */
 data: {
  startTime:null,
  endTime: null,
  selected: {"monday":false,"tuesday":false,"friday":false,"wednesday":false,"thursday":false,"sunday":false,"saturday":false},
 // selected内放对应的用来判断class的布尔json
 },
 bindTimeChange: function(e){
  if (e.currentTarget.id=="startTime") {
   this.setData({startTime:e.detail.value});
  }else if (e.currentTarget.id=="endTime") {
   this.setData({endTime:e.detail.value});
  }
 },
 checkboxChange: function(e){
  var selectedList = e.detail.value;
  var date = ["monday","tuesday","friday","wednesday","thursday","sunday","saturday"];//包含所有日期的数组
  var selected = this.data.selected;//先获取data中的值，好用来赋值
  for (var i = 0; i < date.length; i++) {
   if (selectedList.indexOf(date[i])!=-1) { //判断所有的日期date在所选择的列表中是否存在，存在则给class
    selected[date[i]] = true;
   }else{
    selected[date[i]] = false;
   }
  }
   this.setData({selected:selected});
 },
 formSubmit:function(e){
  //提交后台
  console.log(e);
 },