var a=0
      var b=this.data.imageList.length
      console.log(a,b)
      for(var i=0;i<this.data.imageList.length;i++){
        var imageTempPath =nowDateName+Math.random()*10000+i;  //格式化图片地址名
        //将图片逐张上传到云存储
        wx.cloud.uploadFile({
          cloudPath:"test_media/"+imageTempPath,
          filePath:this.data.imageList[i],
          success(res){
            console.log("上传成功",res.fileID)
            imagePath.push(  //加入图片临时地址列表
              res.fileID
            )
            console.log("图片云存储地址",imagePath)
            //最后一次保存到数据库
            a++
            console.log(a,b)
            if(a==b){
              console.log(a,"=",b)
              this.addData()   //我通过打印发现，执行到这里就没有再继续执行了
            }
          },
        })
      }