//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="serveur">
<title>无标题页</title>
</head>
<corps>
<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" OnClick="Button1_Click" />
</div>
</form>
</corps>
</html>
//后台代码
using System ;
en utilisant System.Data ;
en utilisant System.Configuration ;
en utilisant System.Web ;
en utilisant System.Web.Security ;
en utilisant System.Web.UI ;
en utilisant System.Web.UI.WebControls ;
en utilisant System.Web.UI.WebControls.WebParts ;
en utilisant System.Web.UI.HtmlControls ;
en utilisant System.IO ;
test de classe partielle publique : System.Web.UI.Page
{
protected void Page_Load (expéditeur de l'objet, EventArgs e)
{
}
protected void Button1_Click (expéditeur de l'objet, EventArgs e)
{
chaîne 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 ("aaaaMMjjHHmmss") + suiji;//得到系统时间并加上随机数以便生成上传图片名称
chaîne NewUploadFileName = UpLoadFileTime + "." + UploadFileLastName; // 产生上传图片的名称
string UserDirectory = "TestFile"; //
chaîne 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
chaîne 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