my_loan/htmldev/wxMini/custom-tab-bar/index.wxml

<van-tabbar
  active="{{ active }}"
  placeholder="{{true}}"
  z-index="999"
  active-color="rgba(107, 133, 89, 1)"
  inactive-color="rgba(179, 179, 179, 1)"
  bind:change="onChange">
  <block
    wx:for="{{list}}"
    wx:key="pagePath">
    <van-tabbar-item
      name="{{item.pagePath}}"
      icon="home-o">{{item.text}}
    </van-tabbar-item>
  </block>
</van-tabbar>