//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" 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); }
}
