pay-customer/dist/build/mp-weixin/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="{{index === 1 ? 'tab-bar-item-center' : 'tab-bar-item'}}" data-path="{{item.pagePath}}" data-index="{{index}}" bindtap="switchTab">
    <image class="{{index === 1 ? 'tab-bar-item-icon' : ''}}" src="{{selected === index ? item.selectedIconPath : item.iconPath}}"></image>
    <view wx:if="{{index !== 1}}" style="color: {{selected === index ? selectedColor : color}}">{{item.text}}</view>
  </view>
</view>