键盘事件示例

package 键盘事件;

import java.awt.event.KeyEvent;

import javax.swing.Jframe;

public class Test extends Jframe{
	public static void main(String[] args) {
		Test test=new Test();	
		test.loading();	
	}
	int width=500;
	int height=250;
	public void loading()
	{
		setSize(width, height);
		setLocationRelativeTo(null);
        //关闭事件
		setDefaultCloseOperation(3);
        //用户不能调整窗口大小
		setResizable(false);
        //标题
		setTitle("键盘事件");
        //窗口可见
		setVisible(true);
		this.addKeyListener(new demo());
	}
}


package 键盘事件;

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

import javax.swing.Jframe;

public class demo  implements KeyListener{
	
	@Override
	public void keyPressed(KeyEvent e) {
		int key;
		key=e.getKeyCode();
		System.out.println(key);
	}


	@Override
	public void keyReleased(KeyEvent e) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void keyTyped(KeyEvent e) {
		// TODO Auto-generated method stub
		
	}

	

	
}