zx_flk_app/customize-tab-bar/index.axml

  <view class="tabbar">
    <view 
      a:for="{{tabBar.items}}"
      a:key="index"
      data-index="{{index}}"
      data-item={{item}}
      class="tab-item" 
      onTap="switchTab"
    >
      <image class="tab-icon" src="{{curtTab === index ? item.activeIcon : item.icon}}"></image>
      <text class="base-text {{ curtTab === index ? 'checked' : ''}}">{{ item.name }}</text>
    </view>
    <view class="center-entrance" onTap="navToInputPage">
      <image src="https://qiniu.bms16.com/FrBnIzg2np8ToanrAyTOQDJFu1ic" style="width: 120rpx; height: 120rpx;margin-bottom: 14rpx;"/>
      <image src="https://qiniu.bms16.com/FhCHLz8rQJ5mpJ6nUA4RbKiVkUOo" style="width: 120rpx; height: 24rpx;"/>
    </view>
  </view>