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winform httpclient 多文件上传

news 来源：原创 2024/5/5 3:30:44

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         }