多按鈕的事件相應,getActionCommand & setActionCommand篇

import java.awt.*;
import java.awt.event.*;

public class TestAction2Event {

	public static void main(String[] args) {

		Frame frm = new Frame("Two Button Event");
		frm.setBounds(300, 300, 400, 400);
		frm.setLayout(new FlowLayout(FlowLayout.CENTER));
		frm.setBackground(new Color(100,50,50));
		frm.setVisible(true);
		
		Button btn1 = new Button("Start");
		Button btn2 = new Button("Stop");
		
		frm.add(btn1);
		frm.add(btn2);
		frm.pack();

		Monitor mnt = new Monitor();
		btn1.addActionListener(mnt);
		btn2.addActionListener(mnt);
		btn2.setActionCommand("Game over");
	}

}

class Monitor implements ActionListener{
	public void actionPerformed(ActionEvent e){
		
		System.out.println("Look at what you done, " +
		"The relative info is:\n" + e.getActionCommand());
	}
}

發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章