<view class="noimg" wx:if="{{photolist.length==0}}">
    <view class="nodataimg" >
      <image src="/img/nodataimg.png"></image>
    </view>
    <view class="nomoer nomoredata">没有更多了哦～</view>
  </view>
<view class="photoptop flexone" wx:else>
  <view class="photoitem" wx:for='{{photolist}}' wx:key="" bindtap='previewimg' data-index="{{index}}">
    <image src="{{item}}" mode="aspectFit" ></image>
  </view>
  
</view>