classroom-music-activation/miniprogram/custom-tab-bar/index.wxml

<!--custom-tab-bar/index.wxml-->
<view class="bottom-section">
  <view class="orders {{ selected === 0 ? 'active' : '' }}" bind:tap="switchTab" data-id="0">
    <image wx:if="{{ selected === 0 }}" src="./images/icon-home-active.png" />
    <image wx:else src="./images/icon-home.png" />
    <text>首页</text>
  </view>
  <view class="orders {{ selected === 1 ? 'active' : '' }}" bind:tap="switchTab" data-id="1">
    <image wx:if="{{ selected === 1 }}" src="./images/icon-order-active.png" />
    <image wx:else src="./images/icon-order.png" />
    <text>订单</text>
  </view>
</view>