werun-wxapp/common-page/pages/sharing/index.wxml

<nav type="back" title="分享推广" />
<view class="content">
  <!-- 海报预览区域 -->
  <view class="imageMain">
    <canvas style="margin: 0 auto;width:340px;height:540px;border-radius:100rpx;" canvas-id="myCanvas" hidden="{{canvasHidden}}" catch:tap="noop"></canvas>
  </view>
  <view class="sharing">
    <view class="sharing_title">分享到</view>
    <van-grid column-num="3" border="{{false}}">
      <van-grid-item use-slot>
        <button open-type="share">
          <image src="https://file-cloud.fmode.cn/DXNgcD6zo6/20221022/d11nnp111907.png" />
          <view>微信</view>
        </button>
      </van-grid-item>
      <van-grid-item use-slot>
        <button bindtap="onCopy">
          <image src="https://file-cloud.fmode.cn/DXNgcD6zo6/20221022/5dqqn1111907.png" />
          <view>复制链接</view>
        </button>
      </van-grid-item>
      <van-grid-item use-slot>
        <button bindtap='savetup'>
          <image src="https://file-cloud.fmode.cn/DXNgcD6zo6/20221022/8up16u111907.png" />
          <view>保存图片</view>
        </button>
      </van-grid-item>
    </van-grid>
  </view>
</view>