xiaoshi-wx/myComponents/tabBar/tabBar.wxml

<!--myComponents/tabBar/tabBar.wxml-->
<wux-tabbar defaultCurrent="{{current}}" position="bottom" bind:change="onChange">
      <wux-tabbar-item key="/pageIndex/index/index" title="主页">
        <view class="iconfont myIconzhuye" slot="icon-on"></view>
        <view class="iconfont myIconzhuye" slot="icon-off"></view>
      </wux-tabbar-item>
      <wux-tabbar-item key="/pages/logs/logs" title="爆品专利数据库">
        <view class="iconfont myIcondajiaduzaimai" slot="icon-on"></view>
        <view class="iconfont myIcondajiaduzaimai" slot="icon-off"></view>
      </wux-tabbar-item>
      <wux-tabbar-item key="/pageIndex/mine/mine" title="我的">
        <view class="iconfont myIconwode" slot="icon-on"></view>
        <view class="iconfont myIconwode" slot="icon-off"></view>
      </wux-tabbar-item>
    </wux-tabbar>