lvdao_v4/miniprogram/components/downselect/index.wxml

<view class="downselect">
  <view class="d_select" bindtap="onTab">{{current.name}}</view>
  <view class="d_list {{isShowDown?'active':''}}" >
    <view bindtap="tapItem" wx:for="{{dateArr}}" wx:key="*this" data-key="{{item.key}}">{{item.name}}</view>
  </view>
</view>