键盘监听器

[java]代码库

package com.sram.test;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;

public class KeyListenerDemo {
	public static void main(String[] args) {
		JFrame jf = new JFrame();
		jf.setSize(500,500);
		jf.setTitle("键盘监听事件");
		jf.setLocationRelativeTo(null);
		//KeyListener  KeyAdapter
		//WindowListener  WindowAdapter
		jf.addKeyListener(new KeyAdapter(){
			public void keyPressed(KeyEvent e) {
				/*System.out.println(e.getKeyChar());*/
				System.out.println(KeyEvent.getKeyModifiersText(KeyEvent.VK_SHIFT));
				//System.out.println(e.getKeyLocation());
			}
		});
		
		jf.addKeyListener(new MyKeyAdapter() {
			public void keyPressed(KeyEvent e) {
				/*System.out.println(e.getKeyChar());*/
				System.out.println(KeyEvent.getKeyModifiersText(KeyEvent.VK_SHIFT));
				//System.out.println(e.getKeyLocation());
			}
		});
		
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jf.setVisible(true);
	}
}

class MyKeyAdapter implements KeyListener{
	public void keyPressed(KeyEvent e) {
	}
	public void keyReleased(KeyEvent e) {
	}
	public void keyTyped(KeyEvent e) {
	}
}