asp.net2.0 上传图片并为用户创建相应文件夹

时间:2008-10-07 12:08:10  来源:第二电脑网上收集  作者:

  第二电脑网导读:ML 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&g...
  正文:  

//前台代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.ASP/ target=_blank class=infotextkey>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"/>&nbsp;&nbsp;&nbsp;&nbsp;
    <asp:Button  ID="Button1" runat="server" Text="上传图片并创建文件夹" OnClick="Button1_Click" />
    </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

转自:动态网站制作指南 | www.knowsky.com

"asp.net2.0 上传图片并为用户创建相应文件夹"由第二电脑网原创提供,转载请注明:http://www.002pc.com/master/College/Programming/ASP/2008-10-07/3078.html


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