lachang-wxapp/components/navigationBar/navigationBar.wxml

<!-- 组件 导航栏 -->
<custom-component>
  <view class="" style='height:{{statusBarHeight}}px;'>
    <view class='flex commonHead' style='color:{{textColor}};background-color:{{backgroundColor}};height:{{statusBarHeight}}px;'>
      <view class='commonHeadWrap flex'>
        <!-- wx:if="{{!isHideBack}}" -->
        <!-- 1：返回上一级wx:if="{{!share}}" -->
        <!-- <view class='commonHead_left_back' bindtap='commonHead_left_back'></view> -->
        <!-- 回到首页 wx:if="{{share}}" -->
        <view class='commonHeadHome flex-c-c' bindtap='commonHead_left_home' wx:if="{{share && !isHideBack}}">
          <image class="icon" src="/static/icon/icon_go_home.png" mode="aspectFill"></image>
        </view>
        <view class='commonHeadTextBox flex'>
          <view class='headTitle line1'>{{title}}</view>
        </view>
      </view>
    </view>
  </view>
</custom-component>