wx-mls/components/Header/Header.wxml

<view class="header">
  <image class="header-bg" src="/static/image/header-bg.png" mode="aspectFit"/>
  <view class="header-item">
    <view class="header-icon-left" wx:if="{{isLeftIcon}}" bindtap="goBack">
      <image class="header-icon" src="/static/image/arrow-left.png" mode="aspectFit"/>
    </view>
    <view class="header-text">{{text}}</view>
    <view class="header-icon-right"></view>
  </view>
</view>