C# 截取路径中的文件名

[ Friday, April 11, 2008 ]

Tags: C#

string fullPath="f:studyimages(002.jpg ";

int index=fullPath.LastIndexOf("");

string fileName=fullPath.SubString(index+1);//文件名

string fileExtensition=System.IO.Path.GetExtension(fullPath);//扩展名

string strFile = @"c:abce.jpg";

string strEx = System.IO.Path.GetExtension(strFile); // 返回 .jpg

string strName = System.IO.Path.GetFileName(strFile); //返回 e.jpg

string imgname = FileUpload1.PostedFile.FileName;

string imgType = imgname.Substring(imgname.LastIndexOf(".") + 1);

string quanname =DateTime.Now.ToString("yyyyMMddHHmmss")+imgname.LastIndexOf("\")+"."+imgType ;

if ("gif" != imgType && "jpg" != imgType && "GIF" != imgType && "JPG" != imgType)

{

Response.Write("<script>alert('请选择gif,jpg格式的文件!');</script>");

return;

}

string test="C:\Documents and Settings\Lenovo User\桌面\code.txt";

int i;

String FileName;

i=test.LastIndexOf("\");

FileName=test.Substring(i + 1);

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