<scroll-view  scroll-y='{{true}}'  bindscrolltolower='next'>
<view class="up-down">
        <navigator wx:for="{{list}}"  hover-class="none" url="../detail/detail?id={{item.id}}" >
          <view class="article-name">
          {{item.name}}
          <text>{{item.ctime}}</text>
          </view>
          <image class="article-img" mode="aspectFill" src="{{item.img}}"></image>
        </navigator>
</view>
<block wx:if='{{total >= 20}}'>
      <view class='loading' wx:if='{{list.length < total}}'>上拉加载更多...</view>
</block>
</scroll-view>