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asp.net2.0 上传图片并为用户创建相应文件夹

 2006-09-25 17:15:15 来源:WEB开发网   
核心提示://前台代码<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %><!DOCTYPE html PU

//前台代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
   <title>无标题页</title>

</head>
<body>

   <form id="form1" runat="server">
   <div>
    <asp:FileUpload ID="FileUpload1" runat="server" CSSClass="input3" Width="290px"/>  
   <asp:Button  ID="Button1" runat="server" Text="上传图片并创建文件夹" />
   </div>
   </form>
</body>
</html>

//后台代码

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;


public partial class test : System.Web.UI.Page
{
   PRotected void Page_Load(object sender, EventArgs e)
   {

   }
   protected void Button1_Click(object sender, EventArgs e)
   {
     string UploadFileName, UploadFileLastName;
     UploadFileName = FileUpload1.PostedFile.FileName;//文件在本地的原始位置  
     UploadFileLastName = UploadFileName.Substring(UploadFileName.LastIndexOf(".") + 1);//得到文件的扩展名
     Random rd = new Random();//产生随机数
     int valationNo = 10 + rd.Next(99);//产生随机数
     string suiji = valationNo.ToString();//产生随机数
     string UpLoadFileTime = DateTime.Now.ToString("yyyyMMddHHmmss") + suiji;//得到系统时间并加上随机数以便生成上传图片名称
     string NewUploadFileName = UpLoadFileTime + "." + UploadFileLastName;//产生上传图片的名称

   string UserDirectory = "TestFile";//所要创建文件夹的名字,实际运用中可为用户注册ID
     string UserPath = Server.MapPath("UploadFiles").ToString() + "\\" + UserDirectory + "\\" + "ProductsImages";
     if (!Directory.Exists(UserPath)) //如果文件夹不存在则创建
     {
       Directory.CreateDirectory(UserPath);
     }
     FileUpload1.PostedFile.SaveAs(NewUploadPahtName);//用保存的方法将图片上载
     string sUser_ProductsImageUrl = "UploadFiles/" + UserDirectory + "/" + "ProductsImages/" + NewUploadFileName;//得到服务端图片的虚拟路径
     //Response.Write(sUser_ProductsImageUrl);
   }
}
http://www.cnblogs.com/zm235/archive/2006/09/23/512673.html

Tags:asp net 上传

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