Java键盘事件监听

最新推荐文章于 2023-12-06 23:01:32 发布

ITrenf

最新推荐文章于 2023-12-06 23:01:32 发布

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CC 4.0 BY-SA版权

文章标签： java KeyAdapter keyEvent keylistener 键盘事件

本文链接：https://blog.youkuaiyun.com/ITrenf/article/details/48768885

import java.awt.Event;
import java.awt.Frame;
import java.awt.Label;
import java.awt.TextField;
import java.awt.event.KeyAdapter;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class KeyEvent
{

   private static Label label = null;
   /**
   * @param args
   */
   public static void main(String[] args)
   {
       // TODO Auto-generated method stub
       Frame frame = new Frame();
       label = new Label("0");
       label.setFocusable(true);//label能不能实现key事件关键
       frame.add(label);
//       frame.setLocation(100,100);
       frame.setBounds(100, 100, 300, 300);
       frame.setVisible(true);
       label.addKeyListener(new KeyAdapter()
       {

           @Override
           public void keyPressed(java.awt.event.KeyEvent arg0)
           {
               // TODO Auto-generated method stub
               super.keyPressed(arg0);

               System.out.println("k");
           }

           @Override
           public void keyReleased(java.awt.event.KeyEvent arg0)
           {
               // TODO Auto-generated method stub
               super.keyReleased(arg0);
               System.out.println("k");
           }

           @Override
           public void keyTyped(java.awt.event.KeyEvent arg0)
           {
               // TODO Auto-generated method stub
               super.keyTyped(arg0);
               System.out.println("k");
           }


       }
       );

   }

}