wx.previewImage({
            //当前显示图片
            current:this.data.urls[index],
            //所有图片
            urls: this.data.urls,
            success:function(){
                console.log("加载成功:");
            }
          })
urls:['/image/icons/icon_img_04_10_01.png','/image/icons/icon_img_04_10_02.png']