carInsightSystem_wxapp/pages/index/index.wxml

<!--index.wxml-->
<view class="container">
  <van-tabs class="menu-tabs" active="{{ active }}">
    <van-tab wx:for="{{navData}}" title="{{item.text}}">
      <data-child wx:if="{{item.component === 'data-child'}}"></data-child>
    </van-tab>
  </van-tabs>
  <tabbar />
</view>