<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> 单文件上传 <br /> <br /> <input id="File1" runat="server" type="file" /> <br /> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /> <br /> <asp:Label ID="LblMsg" runat="server" Height="256px" Width="100%"></asp:Label> </div> </form></body></html>using System;using System.Data;using System.Configuration;using System.Collections;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;public partial class other_ShangChuan1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { }
} protected void Button1_Click(object sender, EventArgs e) { if (File1.PostedFile.FileName != "") { //上传文件的绝对路径 如:C:\12.jpg string sFile = File1.PostedFile.FileName; //获取文件全名 例：12.jpg sFile = sFile.Substring(sFile.LastIndexOf("\\") + 1); //获取后缀名 例 .jpg sFile = sFile.Substring(sFile.LastIndexOf(".")); //为了防止重名，获得日期为文件名 年月日时分秒毫秒 string datatime = System.DateTime.Now.ToString("yyyMMddHHmmssffff"); //上传后文件的新名 sFile = datatime + sFile; //AppDomain.CurrentDomain.BaseDirectory.ToString() 获取此项目的根目录 //sPath 获取上传后的路径 string sPath = AppDomain.CurrentDomain.BaseDirectory.ToString() + "uploads\\" + sFile; //上传文件 File1.PostedFile.SaveAs(sPath); this.LblMsg.Text = "文件已经上传到：" + sPath; this.LblMsg.Text += "<br/>上传文件名称：" + this.File1.PostedFile.FileName; this.LblMsg.Text += "<br/>上传文件类型：" + this.File1.PostedFile.ContentType; this.LblMsg.Text += "<br/>上传文件大小：" + this.File1.PostedFile.ContentLength + "Byte"; } else { this.LblMsg.Text = "请选择需要上传的文件？"; } }
}