PatrolPipelineNetwork_zdsz/pages/menu/menu.wxml

<!--pages/menu/menu.wxml-->
<view class='menu_box'>
    <view hidden='{{showmenus}}' class='menu_bg'>
    <block wx:for='{{menulist}}' wx:key='menulist'>
      <view class='menu_main' catchtap='itemclick' data-item='{{item}}'>
        <image class='menu_img iconfont {{item.url}}' src='' />
        <text class='menu_title'  hidden='{{mainmodel.title.length > 0 ? false:true}}'>{{item.title}}</text>
      </view>
    </block>
    </view>
    <view catchtap='showclick' class='menu_main menu_con'>
      <i class="iconfont icon-jiahao"></i>
    <!-- <i wx:if="{{showmenus}}" class="iconfont icon-jiahao" style="z-index: 999;"></i> -->
    <!-- <i wx:else class="iconfont icon-jiahao" style="z-index: -1;"></i> -->
    </view>
</view>