2<!DOCTYPE HTML PUBLIC "-//W3C//DTD H">

Asp.net(C#)多文件上传

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  asp.net|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)" >
21          <input 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" Border 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() + "
");
47            strMsg.Append("客户端文件地址:" + postedFile.FileName + "
");
48            strMsg.Append("上传文件的文件名:" + fileName + "
");
49            strMsg.Append("上传文件的扩展名:" + fileExtension + "
<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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