<view class="catgoryContainer">
    <block wx:for="{{categoryList}}" wx:key="{{index}}">
      <view class="category" bindtap="jumpByRule" style="width: {{(750 - 3)/4}}rpx;border-right:{{index % 4 == 3 ? '0rpx' : '1rpx #dddddd solid;'}}"
      data-jump_rule="{{item.url}}" data-url="{{item.url}}" 
      data-index="{{index}}"data-f_id="{{f_id}}" 
      data-f_index='{{f_index}}' data-f_inindex='{{index}}' 
      data-f_name='{{f_name}}'> 
        <image class="categoryImage" src="{{item.src}}" 
        style="height: {{(windowWidth-3)/4 + 10}}rpx;" mode="aspectFill"/>
      </view>
    </block>
  </view>