微信小程序-自定义tabbar

//app.json
  "tabBar":{
   
    "custom":true,
    "list":[...]//保留list，保证版本兼容
  }

创建custom-tab-bar

<!--custom-tab-bar/index.wxml-->
<van-tabbar active="{
    { active }}" bind:change="onChange">
  <van-tabbar-item wx:for="{
    {list}}" wx:key="index" info="{
    {item.info?item.info:''}}">