实现获取上传文件文件名代码,CSharp代码库,德仔网

代码语言

代码分类

【CSharp】实现获取上传文件文件名

作者:Dezai.CN / 发布于2013/5/23/ 750


	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;
	public partial class StudyFileUpload002 : System.Web.UI.Page
	{
	protected void Page_Load(object sender, EventArgs e)
	{
	//Response.Write(GetFilename());
	}
	private string GetFilename()
	{
	Random rnd = new Random();
	int a = 1000;
	int b = 9999;
	string str = string.Empty;
	//Year
	str += DateTime.Now.Year.ToString();
	//Month
	if (DateTime.Now.Month < 10)
	{
	str += "0" + DateTime.Now.Month.ToString();
	}
	else
	{
	str += DateTime.Now.Month.ToString();
	}
	//Day
	if (DateTime.Now.Day < 10)
	{
	str += "0" + DateTime.Now.Day.ToString();
	}
	else
	{
	str += DateTime.Now.Day.ToString();
	}
	//Hour
	if (DateTime.Now.Hour < 10)
	{
	str += "0" + DateTime.Now.Hour.ToString();
	}
	else
	{
	str += DateTime.Now.Hour.ToString();
	}
	//Minute
	if (DateTime.Now.Minute < 10)
	{
	str += "0" + DateTime.Now.Minute.ToString();
	}
	else
	{
	str += DateTime.Now.Minute.ToString();
	}
	//Second
	if (DateTime.Now.Second < 10)
	{
	str += "0" + DateTime.Now.Second.ToString();
	}
	else
	{
	str += DateTime.Now.Second.ToString();
	}
	//获取[a,b]之间的随机数
	str += rnd.Next(a, b).ToString();
	return str;
	}
	protected void btnUpload_Click(object sender, EventArgs e)
	{
	//获取上传文件在客户端的路径和名称比如E:\Photo\gif\50093.gif
	string Filename = FileUpload1.PostedFile.FileName;
	//获取上传文件的大小单位为字节byte
	int Filesize = FileUpload1.PostedFile.ContentLength;
	//获取上传文件的扩展名比如.gif
	string Txt = Filename.Substring(Filename.LastIndexOf(".")).ToLower();
	//定义上传文件的最大空间大小300kb
	int Maxsize = 300 * 1024;
	//定义上传文件的类型字符串
	string Filetype = ".gif,.jpg";
	//构造新文件路径和名称
	string NewFilename = "Uploadfiles/" + GetFilename() + Txt;
	if (Filetype.Contains(Txt))
	{
	//表示类型正确
	if (Filesize <= Maxsize)
	{
	FileUpload1.PostedFile.SaveAs(Server.MapPath(NewFilename));
	Response.Write(NewFilename + "上传成功,大小为:" + Convert.ToInt32(Filesize / 1024).ToString() + "kb");
	Image1.ImageUrl = NewFilename;
	}
	else
	{
	Response.Write("文件太大");
	}
	}
	else
	{
	//表示类型错误
	Response.Write("类型选择错误");
	Response.End();
	}
	}

	}

试试其它关键字

　获取上传文件文件名　

同语言下

可能有用的

Dezai.CN贡献的其它代码(4037)