getfilepropertition.java

来自「一个jsp上传文件的servlet程序」· Java 代码 · 共 44 行

import java.io.*;
public class GetFilePropertition {
	public static void main(String  args[])
	{
	   File fp=new File("a.txt");
	   
	   ////////////////获取文件属性//////////////////
	   String canRead=fp.canRead()==true?"can Read!\n":"can'Read!\n";
	   System.out.println(canRead);
	   
	   String canWrite=fp.canWrite()==true?"can write!\n":"can't write!\n";
	   System.out.println(canWrite);
	   
	   String canExec=fp.canExecute()==true?"can execute!\n":"can't exectue!\n";
	   System.out.println(canExec);
	   
	   String fileName=fp.getName();
	   System.out.println("The file name is:"+fileName+"\n");
	   
	   String isExist=fp.exists()==true?"The file is exist\n":"The file not exist!\n";
	   System.out.println(isExist);
	   
	   String filePath=fp.getPath();
	   System.out.println("The file Path is:"+filePath+"\n");
	   
	   String abPath=fp.getAbsolutePath();
	   System.out.println("The file abslutely Path is:"+abPath+"\n");
	   
	   long length=fp.length();
	   System.out.println("The file's length is:"+length+"\n");
	   
	   String parentDir=fp.getParent();
	   System.out.println("The parent dir is:"+parentDir+"\n");
	   
	   String isFile=fp.isFile()==true?"is a file\n":"is a directory\n";
	   System.out.println(isFile);
	   
	   String isDir=fp.isDirectory()==true?"is a dir\n":"is a file\n";
	   System.out.println(isDir);
	   
	}

}