applet_nongchang/template/poster/index.wxml

<view class='content'>
  <image mode='widthFix' src='{{imgUrl}}'></image>
</view>
<view class='bottom'>
  <button class='nxh__button nxh__button2' bindtap='savePoster'>保存海报分享朋友圈</button>
  <button class='nxh__button' open-type='share'>转发分享给朋友</button>
</view>