ตรวจสอบว่ามีไฟล์ปรากฏจริงไหม ด้วย JSP checking file type for existing, file or as directory

หน้าแรก JSP ตรวจสอบว่ามีไฟล์ปรากฏจริงไหม ด้วย JSP checking file type for existing, file or as directory

<%@ page language="java" import="java.io.*" errorPage="" %>

<html>

<head>

<title>File Handling in JSP</title>

</head>

<body>

String fileName=getServletContext().getRealPath("jsp.txt");

File f=new File(fileName);

out.print("File exists : "+f.exists()+"<br>");

/// return type is boolean exists return true else false

out.print("File is Directory : "+f.isDirectory()+"<br>");

/// return type is boolean exists return true else false

out.print("File is File : "+f.isFile()+"<br>");

/// return type is boolean exists return true else false

out.print("File is creation Date : "+f.lastModified()+"<br>");

/// return type is boolean exists return true else false

</body>

</html>