jzmall_wx/pages/goods/goodsPoster/goodsPoster.wxml

<view class="container" style="filter: brightness(25%);">
  <image src="{{imgUrl}}" style="width:750rpx; min-height:800rpx;" mode="widthFix"  show-menu-by-longpress="true"></image>

  <view class="bottom">
    <view class="btn" bindtap="copyText">复制文案</view>
    <view class="btn" bindtap="goSaveQrcode">保存海报</view>
  </view>
</view>  

<!-- 展示蒙层 显示推广画报 -->
  <view class="poster">
   <view class="title">推广文案</view>
   <view class="ads">{{ads}}</view>
   <image src="{{imgUrl}}" style="width:480rpx; min-height:800rpx;" mode="widthFix"  show-menu-by-longpress="true"></image>
   <view class="tool">
   <view>
      <image class="img" src="/static/images/new/p_copy.png"></image>
   </view>
   <view>
      <image class="img" src="/static/images/new/p_wx.png"></image>
   </view>
   <view>
      <image class="img" src="/static/images/new/p_save.png"></image>
   </view>
   </view>
  </view>