Asp.net(C#)多文件上传

王朝c#·作者佚名  2006-11-24
宽屏版  字体: |||超大  

FileUp.aspx 页面

1<%@ Page language="c#" Codebehind="FileUp.aspx.cs" AutoEventWireup="false" Inherits="TestCenter.FileUp" %>

2<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

3<HTML>

4 <HEAD>

5 <title>多文件上传</title>

6 <script language="JavaScript">

7 function addFile()

8 {

9 var str = '<INPUT type="file" size="50" NAME="File">'

10 document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)

11 }

12 </script>

13 </HEAD>

14 <body>

15 <form id="form1" method="post" runat="server" enctype="multipart/form-data">

16 <div align="center">

17 <h3>多文件上传</h3>

18 <P id="MyFile"><INPUT type="file" size="50" NAME="File"></P>

19 <P>

20 <input type="button" value="增加(Add)" onclick="addFile()">

21 <input onclick="this.form.reset()" type="button" value="重置(ReSet)">

22 <asp:Button Runat="server" Text="开始上传" ID="UploadButton"></asp:Button>

23 </P>

24 <P>

25 <asp:Label id="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt"

26 Width="500px" BorderStyle="None" BorderColor="White"></asp:Label>

27 </P>

28 </div>

29 </form>

30 </body>

31</HTML>

32

//****************************************************************

//////FileUp.aspx.cs

1using System;

2using System.Collections;

3using System.ComponentModel;

4using System.Data;

5using System.Drawing;

6using System.Web;

7using System.Web.SessionState;

8using System.Web.UI;

9using System.Web.UI.WebControls;

10using System.Web.UI.HtmlControls;

11

12namespace TestCenter

13{

14 /**//// <summary>

15 /// 实现多文件上传

16 /// </summary>

17 public class FileUp: System.Web.UI.Page

18 {

19 protected System.Web.UI.WebControls.Button UploadButton;

20 protected System.Web.UI.WebControls.Label strStatus;

21

22 private void Page_Load(object sender, System.EventArgs e)

23 {

24 if (this.IsPostBack) this.SaveImages();

25 }

26

27 private Boolean SaveImages()

28 {

29 /**////'遍历File表单元素

30 HttpFileCollection files = HttpContext.Current.Request.Files;

31

32 /**//// '状态信息

33 System.Text.StringBuilder strMsg = new System.Text.StringBuilder();

34 strMsg.Append("上传的文件分别是:<hr color=red>");

35 try

36 {

37 for(int iFile = 0; iFile < files.Count; iFile++)

38 {

39 /**////'检查文件扩展名字

40 HttpPostedFile postedFile = files[iFile];

41 string fileName, fileExtension;

42 fileName = System.IO.Path.GetFileName(postedFile.FileName);

43 if (fileName != "")

44 {

45 fileExtension = System.IO.Path.GetExtension(fileName);

46 strMsg.Append("上传的文件类型:" + postedFile.ContentType.ToString() + "<br>");

47 strMsg.Append("客户端文件地址:" + postedFile.FileName + "<br>");

48 strMsg.Append("上传文件的文件名:" + fileName + "<br>");

49 strMsg.Append("上传文件的扩展名:" + fileExtension + "<br><hr>");

50 /**////'可根据扩展名字的不同保存到不同的文件夹

51 ///注意:可能要修改你的文件夹的匿名写入权限。

52 postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName);

53 }

54 }

55 strStatus.Text = strMsg.ToString();

56 return true;

57 }

58 catch(System.Exception Ex)

59 {

60 strStatus.Text = Ex.Message;

61 return false;

62 }

63 }

64

 
 
 
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