服务器上传文件并创建文件夹的例子(页 1) - 编程交流 - 新手电脑网 www.110xs.com 打造最好的新手电脑技术交流中心!

syziy 发表于 2008-10-4 21:37

服务器上传文件并创建文件夹的例子

前台代码2t.v,W9aIkA
Default2.aspxS.|$cVx%lw-ZJ;\
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>,?'D5yeD_E(O kr&?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">YZ.]_se+v)Sl
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>无标题页</title>K`7b!K1Gj
</head> F;G B;A6s.@.x)|b
<body>
<form id="form1" runat="server">o:j0}!lg!|\pVL3b1l'l
<div>
<br />
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<asp:FileUpload ID="fileUpload" runat="server" />
<asp:Button ID="Button2" runat="server" Text="上传" />
<aspabel ID="lblState" runat="server" Text="Label"></aspabel></div>kc$Fsj2EE3hyL$M
</form>`_&}J0m0p1\W
</body>
</html>

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后台代码'\$~fJ0fev9M
Default2.aspx.cst!P8A,{H!Q p
================================================================================9mBJ)`E%I`
using System;y2Viu } \,w2h
using System.Data;_k;LsQ2ch
using System.Configuration;
using System.Collections;
using System.Web;M9M[F7bb
using System.Web.Security;
using System.Web.UI;k3w}C%r$i2X(kR/g%A
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
public partial class Default2 : System.Web.UI.Page
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protected void Page_Load(object sender, EventArgs e)9S#k(U0wswG2J
{
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protected void Button2_Click(object sender, EventArgs e)
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if (this.fileUpload.PostedFile.FileName == "")
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Response.Write("不能上传空文件");
return;DN([:e)~sp
}
try
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String path = Server.MapPath("upload/");//保存上传文件的文件夹upload虚拟路径对应的实际路径
string pt = path;
string fn = "";aD~ m/~
if (!Directory.Exists(pt)) //如果文件夹不存在则创建
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Directory.CreateDirectory(pt);
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string filePath = this.fileUpload.PostedFile.FileName;//客户端文件的实际地址kP,S vm&v/D
string serverPath = path + filePath.Substring(filePath.LastIndexOf("\\") + 1);//上传的文件保存在服务器端的路径@Bfc"|7i"m5a5\4T
string fileName = filePath.Substring(filePath.LastIndexOf("\\") + 1);
System.Text.StringBuilder builder = new System.Text.StringBuilder(filePath);
builder.Append("\n上传文件的类型:" + this.fileUpload.PostedFile.ContentType.ToString() + Environment.NewLine + "");qWs,SS4qK:y&i
builder.Append("\n客户端文件地址:" + this.fileUpload.PostedFile.FileName + Environment.NewLine + "");xgKL'icAuz
builder.Append("\n上传文件的文件名:" + fileName + Environment.NewLine + "");Gtj3nF+B h
builder.Append("\n上传文件的扩展名:" + filePath.Substring(filePath.LastIndexOf(".") + 1) + Environment.NewLine + "");
builder.Append("\n上传文件的大小:" + this.fileUpload.PostedFile.ContentLength / 1024 + "k" + Environment.NewLine + "");
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if (System.IO.File.Exists(serverPath))//判断服务器上是否有同名文件存在0_1|2O!n aQ"{
{
this.lblState.Text = "这个文件在服务器上已经存在,请不要重复上传!";
return;
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this.fileUpload.PostedFile.SaveAs(serverPath);//保存文件
this.lblState.Text = builder.ToString();//将这个StringBuilder的内容写到label中去3c w(N5k%Ml%lk
}
catch (Exception ex)
{
Response.Write(ex.Message);
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}

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服务器上传文件并创建文件夹的例子