winform httpclient 多文件上传

客户端

                                        //此处放入循环中   
　　　　　　　　　　　　　　　　　　　　　　　　　　//此为服务端上传地址                                     
　　　　　　　　　　　　　　　　　　　　　　　　　　string url = "http://localhost:62114/AppAreaName/DetectImage/UploadFile";
                                        string time = createDto.DetectionTime.ToString("yyyy-MM-dd-HH-mm");
                                        //图片名称  服务端用
                                        string ss = "Default" + "_" + time + "_" + detectionCount + "_" + count + ".jpg";
                                        //string ss = (aa++).ToString() + "  " + dia.ToString("f3") + "  " + ld.ToString("f3") + "  " + rr.ToString("f3") + ".bmp";
                                        //MessageBox.Show(ss);
                                        //将图片数据流转换为图片并存储
                                        Image img;
                                        img = BytToImg(imageData);
                                        Bitmap map = new Bitmap(img);
                                        map.Save(path + "\" + ss);
                                        //Stream imageStream= Stream.Null;
                                        FileStream imageStream = new FileStream(path + "\" + ss, FileMode.Open);
                                        content.Add(CreateFileContent(imageStream, ss, "image/jpeg"));
                                        count++;

                                        //using (var client = new HttpClient())
                                        //{
                                        //    using (var content = new MultipartFormDataContent())
                                        //    {
                                        //        content.Add(CreateFileContent(imageStream, ss, "image/jpeg"));

                                        //        var response = await client.PostAsync(url, content);
                                        //        response.EnsureSuccessStatusCode();
                                        //    }
                                        //}28 
                                    using (var client = new HttpClient())
                                    {
                                        var response = await client.PostAsync(url, content);
                                        response.EnsureSuccessStatusCode();
                                    }

服务端代码

 [HttpPost]
        public async Task<JsonResult> UploadFile()
        {
            try
            {
                var files = Request.Form.Files;

                //Check input
                if (files == null)
                {
                    throw new UserFriendlyException(L("File_Empty_Error"));
                }
                int icount = 0;
                foreach (var file in files)
                {
                   
                    if (file.Length > 1048576) //1MB
                    {
                        throw new UserFriendlyException(L("File_SizeLimit_Error"));
                    }
                    if (string.IsNullOrEmpty(file.FileName))
                    {
                        throw new UserFriendlyException(L("File_Empty_Error"));
                    }
                    string[] fileNames = file.FileName.Split('_');
                    var fileObject = new DetectImages();
                    if (fileNames.Length == 4)
                    {
                        if (!DateTime.TryParse(fileNames[1], out var datetime))
                        {
                            datetime = DateTime.Now;
                        }
                        if (!int.TryParse(fileNames[2], out var count))
                        {
                            count = 0;
                        }
                        fileObject.DetectTime = datetime;
                        fileObject.DetectCount = count;
                    }
                    byte[] fileBytes;
                    using (var stream = file.OpenReadStream())
                    {
                        fileBytes = stream.GetAllBytes();
                    }

                    fileObject.ImageContent = fileBytes;
                    fileObject.DetectId = 0;
                    fileObject.TenantId = AbpSession.TenantId;
                    fileObject.ImageType = file.ContentType;
                    MemoryStream inputStream = new MemoryStream(fileBytes);
                    inputStream.Position = 0;
                    Image img = Image.FromStream(inputStream);
                    fileObject.ImageWidth = img.Size.Width;
                    fileObject.ImageHight = img.Size.Height;
                    inputStream.Dispose();
                    await _detectImagesManager.SaveAsync(fileObject);
                    icount++;
                }
                return Json(new AjaxResponse(new
                {
                    count = icount
                }));
            }
            catch (UserFriendlyException ex)
            {
                return Json(new AjaxResponse(new ErrorInfo(ex.Message)));
            }
        }