Traffic-widget/miniprogram/components/region/region.wxml

<!--components/region/region.wxml-->
<view class="region" wx:for="{{list}}" wx:key="id">
  <view class="title">{{item.date}},{{item.title}}</view>
  <view class="videoItem" bindtap="selectItem" data-index="{{i}}" style="{{ i%3 === 0 ? 'margin-left: 0' : '' }}"
    data-pindex="{{index}}" data-id="{{val.id}}" data-pid="{{item.id}}" wx:for="{{item.chirld}}" wx:key="id"
    wx:for-item="val" wx:for-index="i">
    <view class="{{val.selectIndex >= 0 ? 'select act' : 'select'}}">{{val.selectIndex >= 0 ? val.selectIndex : ''}}
    </view>
    <view class="time">{{val.duration}}</view>
    <image src="{{val.snaps[0]}}" lazy-load
      style="margin-right: 16px;vertical-align: middle;width:200rpx; height: 111rpx;"></image>
  </view>
</view>