public int AddGoodsInfo(string obj)
        {
            Models.GoodsInfo m = JsonConvert.DeserializeObject <Models.GoodsInfo>(obj);

            //上传图片
            if (Request.Form.Files.Count > 0)
            {
                // tp://localhost:49233/Files/%E6%96%B0%E5%BB%BA%E6%96%87%E6%9C%AC%E6%96%87%E6%A1%A3.html
                //获取物理路径 webtootpath
                string path = hosting.WebRootPath + "\\Img\\";
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);
                }
                var file = Request.Form.Files[0];
                //拼接路径
                path += $"{file.FileName}";

                using (FileStream stream = new FileStream(path, FileMode.Create))
                {
                    file.CopyToAsync(stream);
                }
                m.GoodsImg = "/Img/" + file.FileName;
            }

            return(goodsBLL.AddGoodsInfo(m));
        }