Asp.net(C#)多文件上传
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
<%@ 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
using System; 2
using System.Collections; 3
using System.ComponentModel; 4
using System.Data; 5
using System.Drawing; 6
using System.Web; 7
using System.Web.SessionState; 8
using System.Web.UI; 9
using System.Web.UI.WebControls; 10
using System.Web.UI.HtmlControls; 11
12
namespace TestCenter13
{ 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
