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asp.net代码练习 work016 fileupload文件上传
阅读量:312 次
发布时间:2019-03-03

本文共 1254 字,大约阅读时间需要 4 分钟。

webform1.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="work016.WebForm1" %>

webform1.aspx.cs

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace work016{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {        }        protected void Button1_Click(object sender, EventArgs e)        {            //判断是否上传文件,如果是txt之类的文件,0字节也认为是没有文件            if (FileUpload1.HasFile)            {                //通过相对路径,获取到服务器的绝对路径                string savePath = Server.MapPath("~/upload");                //路径不存在,创建                if (!System.IO.Directory.Exists(savePath))                {                    System.IO.Directory.CreateDirectory(savePath);                }                //路径后,加上文件名                savePath = savePath + string.Format("\\{0}",FileUpload1.FileName);                //保存                FileUpload1.SaveAs(savePath);                //提示                Literal1.Text = string.Format("upload/{0}",FileUpload1.FileName);            }        }    }}

 

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