index.wxml

<!--static/nativeComponents/PopUp/index.wxml-->
<view class="pop-up" wx:if="{{domainShow}}">
  <view class="shade"></view>
  <view class="content" style="width:{{datas.componentData.imgWidth ? datas.componentData.imgWidth + '%' : '80%'}};height:{{datas.componentData.imgHeight ? datas.componentData.imgHeight + '%' : 'auto'}}">
    <image mode="{{datas.componentData.objectFit == 'cover' ? 'aspectFill' : datas.componentData.objectFit == 'contain' ? 'aspectFit' : 'widthFix'}}" src="{{img}}" bindtap="onclickHandle"></image>
    <view class="back {{datas.componentData.backButtonSite=='bottom'?'back-bottom':'back-top'}}" bindtap="backHandle">
      <em></em>
      <em></em>
    </view>
  </view>
</view>