#region 上傳檔案
        /// <summary>
        /// 上傳檔案（上傳到專案中）,返回儲存地址（儲存檔案資料夾+儲存檔名稱）
        /// </summary>
        /// <returns></returns>
        public JsonResult Upload(IFormFile file)
        {
            var currentDate = DateTime.Now;
            var webRootPath = hostingEnvironment.WebRootPath;//
 
獲取專案路徑
            try
            {
                var filePath = $"/UploadFile/{currentDate:yyyyMMdd}/";
                //建立每日儲存資料夾
                if (!Directory.Exists(webRootPath + filePath))
                {
                    Directory.CreateDirectory(webRootPath + filePath);
                }
                
 
if (file != null)
                {
                    //檔案字尾
                    var fileExtension = Path.GetExtension(file.FileName);//獲取檔案格式，拓展名

                    var fileSize = file.Length;
                    //判斷檔案大小
                    if (fileSize > 1024 * 1024 * 10) //10M TODO:(1mb=1024X1024b)
                    {
                        
 
return new JsonResult(new { isSuccess = false, resultMsg = "上傳失敗，檔案大小超過範圍" });
                    }

                    //儲存的檔名稱(以名稱和儲存時間命名)
                    var name = file.FileName.Substring(0, file.FileName.LastIndexOf('.'));
                    var saveName = name + "_" + currentDate.ToString("HHmmss") + fileExtension;

                    //檔案儲存
                    using (var fs = System.IO.File.Create(webRootPath + filePath + saveName))
                    {
                        file.CopyTo(fs);
                        fs.Flush();
                    }
                    //完整的檔案路徑
                    var completeFilePath = Path.Combine(filePath, saveName);
                    return new JsonResult(new { isSuccess = true, returnMsg = "上傳成功", completeFilePath = completeFilePath });
                }
                else
                {
                    return new JsonResult(new { isSuccess = false, resultMsg = "上傳失敗，未檢測上傳的檔案資訊~" });
                }
            }
            catch (Exception ex)
            {
                return new JsonResult(new
                {
                    isSuccess = false,
                    resultMsg = "檔案儲存失敗，異常資訊為：" + ex.Message
                });
            }
        }
        #endregion