【精品文献】上传文件代码
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq;
using System.IO;
public partial class 上传文件代码 : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btu_Click(object sender, EventArgs e)
{
//上传图片 分为两步 第一步:将图片上传到服务器 第二步:将路径保存到数据库 string path = ""; //创建路径
string filenewname = DateTime.Now.ToLongDateString() +
DateTime.Now.Hour.ToString() + DateTime.Now.Millisecond.ToString(); //文件名
if (this.fileupload.PostedFile.FileName.Length > 0) {
int ipos = this.fileupload.PostedFile.FileName.LastIndexOf("\\"); //
记录
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最后一个 \ 的位
置
string filename = "";
if (ipos.ToString() != "-1")
{
filename = this.fileupload.PostedFile.FileName.Substring(ipos);//获取文件名
}
else
{
filename = this.fileupload.PostedFile.FileName; }
int iiii = filename.LastIndexOf("."); string fileexpandname = filename.Substring(iiii); //获取扩展名
fileexpandname = fileexpandname.ToLower(); if (fileexpandname == ".jpg" || fileexpandname == ".doc" || fileexpandname == ".gif")
{
string filefolder = "\\uploadfile\\news"; //构造文件夹名称
path = filefolder + "\\" + filenewname + fileexpandname;
DirectoryInfo dire = new DirectoryInfo(Server.MapPath(filefolder)); //创建文件夹(在本
机上用就去掉Server.MapPath)
if (!dire.Exists)
{
dire.Create();
}
DirectoryInfo dires = new DirectoryInfo(Server.MapPath(filefolder + "\\s_img")); //创建
文件夹(在本机上用就去掉Server.MapPath) if (!dires.Exists)
{
dires.Create();
}
}
this.fileupload.PostedFile.SaveAs(Server.MapPath(path)); //100*150(在本机上用就去掉
Server.MapPath)
}
else
{
Response.Write(""); }
}
}
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