Asp.net(C#)多文件上传

FileUp.aspx 页面

<%@ Page language="c#" Codebehind="FileUp.aspx.cs" AutoEventWireup="false" Inherits="TestCenter.FileUp" %>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
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<HTML>
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<HEAD>
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<title>多文件上传</title>
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function addFile()
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{
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var str = '<INPUT type="file" size="50" NAME="File">'
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document.getElementById('MyFile').insertAdjacentHTML("beforeEnd",str)
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}
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</script>
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</HEAD>
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<body>
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<form id="form1" method="post" runat="server" enctype="multipart/form-data">
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<div align="center">
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<h3>多文件上传</h3>
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<P id="MyFile"><INPUT type="file" size="50" NAME="File"></P>
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<P>
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<input type="button" value="增加(Add)" onclick="addFile()">
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<input onclick="this.form.reset()" type="button" value="重置(ReSet)">
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<asp:Button Runat="server" Text="开始上传" ID="UploadButton"></asp:Button>
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</P>
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<P>
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<asp:Label id="strStatus" runat="server" Font-Names="宋体" Font-Bold="True" Font-Size="9pt"
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Width="500px" BorderStyle="None" BorderColor="White"></asp:Label>
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</P>
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</div>
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</form>
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</body>
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</HTML>
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//****************************************************************
//////FileUp.aspx.cs

using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Web;
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using System.Web.SessionState;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.HtmlControls;
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namespace TestCenter
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{
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/// <summary>
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/// 实现多文件上传
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/// </summary>
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public class FileUp: System.Web.UI.Page
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{
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protected System.Web.UI.WebControls.Button UploadButton;
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protected System.Web.UI.WebControls.Label strStatus;
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private void Page_Load(object sender, System.EventArgs e)
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{
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if (this.IsPostBack) this.SaveImages();
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}
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private Boolean SaveImages()
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{
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///'遍历File表单元素
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HttpFileCollection files = HttpContext.Current.Request.Files;
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/// '状态信息
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System.Text.StringBuilder strMsg = new System.Text.StringBuilder();
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strMsg.Append("上传的文件分别是：<hr color=red>");
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try
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{
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for(int iFile = 0; iFile < files.Count; iFile++)
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{
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///'检查文件扩展名字
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HttpPostedFile postedFile = files[iFile];
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string fileName, fileExtension;
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fileName = System.IO.Path.GetFileName(postedFile.FileName);
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if (fileName != "")
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{
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fileExtension = System.IO.Path.GetExtension(fileName);
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strMsg.Append("上传的文件类型：" + postedFile.ContentType.ToString() + "<br>");
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strMsg.Append("客户端文件地址：" + postedFile.FileName + "<br>");
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strMsg.Append("上传文件的文件名：" + fileName + "<br>");
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strMsg.Append("上传文件的扩展名：" + fileExtension + "<br><hr>");
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///'可根据扩展名字的不同保存到不同的文件夹
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///注意：可能要修改你的文件夹的匿名写入权限。
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postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("images/") + fileName);
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}
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}
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strStatus.Text = strMsg.ToString();
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return true;
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}
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catch(System.Exception Ex)
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{
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strStatus.Text = Ex.Message;
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return false;
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}
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}
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posted @ 2006-03-01 22:49 Hermes.Liu 阅读(891) 评论(0) 收藏举报

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