GUI-AWT-键盘监听

键盘监听

编码

 1 package com.luckylu.gui;
 2 
 3 import java.awt.*;
 4 import java.awt.event.KeyAdapter;
 5 import java.awt.event.KeyEvent;
 6 
 7 public class TestKeyListener {
 8     public static void main(String[] args) {
 9         new KeyFrame();
10     }
11 }
12 class KeyFrame extends Frame {
13     public KeyFrame(){
14         setBounds(200,200,300,200);
15         setVisible(true);
16         addKeyListener(new KeyAdapter() {
17             //按下键盘
18             @Override
19             public void keyPressed(KeyEvent e) {
20             //获取按键编码
21                 int keyCode = e.getKeyCode();
22                 System.out.println(keyCode); //输出按键编码，
23                 if(keyCode == KeyEvent.VK_UP){
24                     System.out.println("您键入UP键");
25                 }
26                 //根据不同操作产生不同结果；
27             }
28         });
29 
30     }
31 
32 }

 

结果：

 

posted @ 2022-04-17 22:43  luckylu1983  阅读(23)  评论(0)    收藏  举报