winform httpclient 多文件上传
客户端
1 //此处放入循环中
//此为服务端上传地址
string url = "http://localhost:62114/AppAreaName/DetectImage/UploadFile"; 2 string time = createDto.DetectionTime.ToString("yyyy-MM-dd-HH-mm"); 3 //图片名称 服务端用 4 string ss = "Default" + "_" + time + "_" + detectionCount + "_" + count + ".jpg"; 5 //string ss = (aa++).ToString() + " " + dia.ToString("f3") + " " + ld.ToString("f3") + " " + rr.ToString("f3") + ".bmp"; 6 //MessageBox.Show(ss); 7 //将图片数据流转换为图片并存储 8 Image img; 9 img = BytToImg(imageData); 10 Bitmap map = new Bitmap(img); 11 map.Save(path + "\\" + ss); 12 //Stream imageStream= Stream.Null; 13 FileStream imageStream = new FileStream(path + "\\" + ss, FileMode.Open); 14 content.Add(CreateFileContent(imageStream, ss, "image/jpeg")); 15 count++; 16 17 //using (var client = new HttpClient()) 18 //{ 19 // using (var content = new MultipartFormDataContent()) 20 // { 21 // content.Add(CreateFileContent(imageStream, ss, "image/jpeg")); 22 23 // var response = await client.PostAsync(url, content); 24 // response.EnsureSuccessStatusCode(); 25 // } 26 //}28 29 using (var client = new HttpClient()) 30 { 31 var response = await client.PostAsync(url, content); 32 response.EnsureSuccessStatusCode(); 33 }
服务端代码
1 [HttpPost] 2 public async Task<JsonResult> UploadFile() 3 { 4 try 5 { 6 var files = Request.Form.Files; 7 8 //Check input 9 if (files == null) 10 { 11 throw new UserFriendlyException(L("File_Empty_Error")); 12 } 13 int icount = 0; 14 foreach (var file in files) 15 { 16 17 if (file.Length > 1048576) //1MB 18 { 19 throw new UserFriendlyException(L("File_SizeLimit_Error")); 20 } 21 if (string.IsNullOrEmpty(file.FileName)) 22 { 23 throw new UserFriendlyException(L("File_Empty_Error")); 24 } 25 string[] fileNames = file.FileName.Split('_'); 26 var fileObject = new DetectImages(); 27 if (fileNames.Length == 4) 28 { 29 if (!DateTime.TryParse(fileNames[1], out var datetime)) 30 { 31 datetime = DateTime.Now; 32 } 33 if (!int.TryParse(fileNames[2], out var count)) 34 { 35 count = 0; 36 } 37 fileObject.DetectTime = datetime; 38 fileObject.DetectCount = count; 39 } 40 byte[] fileBytes; 41 using (var stream = file.OpenReadStream()) 42 { 43 fileBytes = stream.GetAllBytes(); 44 } 45 46 fileObject.ImageContent = fileBytes; 47 fileObject.DetectId = 0; 48 fileObject.TenantId = AbpSession.TenantId; 49 fileObject.ImageType = file.ContentType; 50 MemoryStream inputStream = new MemoryStream(fileBytes); 51 inputStream.Position = 0; 52 Image img = Image.FromStream(inputStream); 53 fileObject.ImageWidth = img.Size.Width; 54 fileObject.ImageHight = img.Size.Height; 55 inputStream.Dispose(); 56 await _detectImagesManager.SaveAsync(fileObject); 57 icount++; 58 } 59 return Json(new AjaxResponse(new 60 { 61 count = icount 62 })); 63 } 64 catch (UserFriendlyException ex) 65 { 66 return Json(new AjaxResponse(new ErrorInfo(ex.Message))); 67 } 68 }
