onShareAppMessage(res){
			console.log('res',res)
			 if (res.from === 'button') {// 来自页面内分享按钮
				let memberAvatar=this.userInfo.memberAvatar?this.userInfo.memberAvatar:''
				// let name=this.userInfo.name?this.userInfo.name:this.userInfo.nickname
				let path='/pageIndex/goodsDetail/index?keys='+this.goods.keys +'&name='+this.userInfo.nickname+'&memberAvatar='+memberAvatar
				console.log('path',path)
				return {
					title:this.goods.name,
					path: path,
					imageUrl:this.goods.goodImg
				};
			 }
			return {
			  title:this.goods.name,
			  path: path,
			  imageUrl:this.goods.goodImg
			}
		}
 图片的链接是  https://gxt-dev-image.oss-cn-guangzhou.aliyuncs.com/goods/jpg/844d2892-b84e-4b30-abd1-949dba5bdaf2.jpg