schoolwisdoms-student-mp/pages/makePiano/makePiano.wxml

<view class="container">
  <view class="week-view">
    <view class="week-list">
      <view class="week-box {{curIndex == index ? 'cur-week' : ''}}" wx:for="{{weekList}}" wx:key="index" data-index="{{index}}" bindtap="getWeek">
        <view class="weekDay">{{item.week}}</view>
        <view class="weekDate">{{item.date}}</view>
      </view>
    </view>
  </view>
</view>