微信小程序多层循环

<view class="container">
  <view class='mainbox'>
    <view class='newslist' wx:for="{{newslist}}" wx:key="*this" wx:for-item="dayItem">
      <view class='time'>{{dayItem.time}}</view>
      <view class='list' wx:for="{{dayItem.list}}" wx:for-index="indexs" wx:key="*this" data-id="{{item.id}}" bindtap='linkNews' wx:for-item="item">
        {{item.title}}
      </view>
    </view>
  </view>
</view>