<view class="qr-container">
  <view class="qr-title">支付宝扫码支付</view>
  <image wx:if="{{qrImage}}" class="qr-image" src="{{qrImage}}" mode="aspectFit" />
  <view class="qr-tip">请使用 <text class="qr-emph">支付宝</text> APP 扫描上方二维码完成支付</view>
  <view class="qr-status">{{statusText}}</view>
  <view class="qr-actions" wx:if="{{showBack}}">
    <view class="qr-btn" bindtap="onBack">返回</view>
  </view>
</view>
