import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import javax.swing.AbstractAction;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.KeyStroke;

public class ActionSample extends AbstractAction {

  
  private final KeyStroke up=KeyStroke.getKeyStroke(KeyEvent.VK_UP,0);
  private final KeyStroke down=KeyStroke.getKeyStroke(KeyEvent.VK_DOWN,0);
  public ActionSample() {
    JFrame frame=new JFrame("测试Action");
    JPanel c=(JPanel)frame.getContentPane();
    
    
    c.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(up,"up");
    c.getActionMap().put("up",this);
    
    c.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(down,"down");
    c.getActionMap().put("down",this);
    frame.setSize(200,200);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
  }

  public static void main(String[] args) {
    new ActionSample();

  }

  public void actionPerformed(ActionEvent e) {
    System.out.println(e.getActionCommand());
    
  }

}