onShareAppMessage 微信小程序

onShareAppMessage(Object object)

监听用户点击页面内转发按钮（button 组件 open-type=“share”）或右上角菜单“转发”按钮的行为，并自定义转发内容。
注意：只有定义了此事件处理函数，右上角菜单才会显示“转发”按钮

Page({
  onShareAppMessage() {
    const promise = new Promise(resolve => {
      setTimeout(() => {
        resolve({
          title: '自定义转发标题'
        })
      }, 2000)
    })
    return {
      title: '自定义转发标题',
      path: '/page/user?id=123',
      promise 
    }
  }
})
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onShareAppMessage(res){
			var that = this
			console.log(that.goods_data)
			if(res.from==='button'){//分享按钮
				return {
					title:that.goods_data.share_title||that.goods_data.goods_name,
					// path: '',
					imageUrl:that.goods_data.share_img||that.goods_data.main_img,
					success: function (res) {
					  
					  if(res.errMsg == 'shareAppMessage:ok'){
						console.log("成功",res)
					  }
					},
					fail:function(res){
					  
					  console.log("失败",res)
					  
					}
				}
			}else{
				return {
					title:that.goods_data.share_title||that.goods_data.goods_name,
					// path: '',
					imageUrl:that.goods_data.share_img||that.goods_data.main_img,
					success: function (res) {
					  
					  if(res.errMsg == 'shareAppMessage:ok'){
						console.log("成功",res)
					  }
					},
					fail:function(res){
					  
					  console.log("失败",res)
					  
					}
				}
			}
			
		}

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