sunshine-meet-wx/miniprogram/custom-tab-bar/index.wxml

<!--miniprogram/custom-tab-bar/index.wxml-->
<view class="tab-bar">
  <view class="tab-bar-border"></view>
  <view wx:for="{{list}}" wx:key="index"  class="tab-bar-item" data-path="{{item.pagePath}}" data-index="{{index}}" bindtap="switchTab">
    <image class="my-img" src="{{selected === index ? item.selectedIconPath : item.iconPath}}"/>
    <view  class="my-view"style="color: {{selected === index ? selectedColor : color}}">{{item.text}}</view>
  </view>
</view>