//前台代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transicional//ES" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns=" http://www.w3.org/1999/xhtml " >
<head runat="servidor">
<title>无标题页</title>
</head>
<cuerpo>
<form id="form1" runat="servidor">
<div>
<asp:FileUpload ID="FileUpload1" runat="servidor" CssClass="input3" Ancho="290px"/>
<asp:Button ID="Button1" runat="server" Text="上传图片并创建文件夹" OnClick="Button1_Click" />
</div>
</formulario>
</cuerpo>
</html>
//后台代码
usando el sistema;
usando System.Data;
usando System.Configuration;
usando System.Web;
utilizando System.Web.Security;
utilizando System.Web.UI;
usando System.Web.UI.WebControls;
usando System.Web.UI.WebControls.WebParts;
usando System.Web.UI.HtmlControls;
usando System.IO;
prueba de clase parcial pública: System.Web.UI.Page
{
Page_Load vacío protegido (remitente del objeto, EventArgs e)
{
}
Botón vacío protegido1_Click (remitente del objeto, EventArgs e)
{
cadena 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
Aleatorio rd = nuevo Aleatorio();//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
cadena 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
{
Directorio.CrearDirectorio(RutaUsuario);
}
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