MVC文件上传 - 使用Request.Files上传多个文件

1: using System;

2: using System.Collections.Generic;

3: using System.IO;

4: using System.Linq;

5: using System.Web;

6: using System.Web.Mvc;

7:  

8: namespace MvcApplication2.Controllers

9: {

10: public class HomeController : Controller

11: {

12: public ActionResult Index()

13: {

14: return View();

15: }

16:  

17: public ActionResult FileUploads()

18: {

19: string pathForSaving = Server.MapPath("~/Uploads");

20: if (this.CreateFolderIfNeeded(pathForSaving))

21: {

22: foreach (string file in Request.Files)

23: {

24: HttpPostedFileBase uploadFile = Request.Files[file] as HttpPostedFileBase;

25: if (uploadFile != null && uploadFile.ContentLength > 0)

26: {

27: var path = Path.Combine(pathForSaving, uploadFile.FileName);

28: uploadFile.SaveAs(path);

29: }

30: }

31: }

32: return RedirectToAction("Index");

33: }

34:  

35: // 检查是否要创建上传文件夹

36: private bool CreateFolderIfNeeded(string path)

37: {

38: bool result = true;

39: if (!Directory.Exists(path))

40: {

41: try

42: {

43: Directory.CreateDirectory(path);

44: }

45: catch (Exception)

46: {

47: //TODO：处理异常

48: result = false;

49: }

50: }

51: return result;

52: }

53: }

54: } 

1: @{

2: ViewBag.Title = "Index";

3: Layout = "~/Views/Shared/_Layout.cshtml";

4: }

5:  

6: @using (Html.BeginForm("FileUploads", "Home", FormMethod.Post, new { enctype = "multipart/form-data" }))

7: {

8: <input type="file" name="files1" id="file1" /><br/>

9: <input type="file" name="files2" id="file2" /><br/>

10: <input type="file" name="files3" id="file3" /><br/>

11: <input type="submit" value="同时上传多个文件" />

12: }
注意： 
name属性值可以不同