RailwayTwo/mini/components/navbar/index.wxml

<!--components/navbar/index.wxml-->
<view class="sg-nav-box">
  <view class="sg-nav-list">
    <view class="sg-nav-item" wx:for="{{ menus }}" wx:key="{{index}}" data-url="{{ item.url }}" data-index="{{index}}" data-key="{{item.key}}">
      <image src="{{ activeMenu == item.key ? item.img + '-selected.png' : '.png' }}" mode="widthFix" class="sg-img"></image>
      <view class="sg-name">{{ item.name }}</view>
    </view>
  </view>
</view>