example7_10.java

不错的教程 适合中高级人员的使用

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

class  MyPanel extends Panel implements ActionListener
{
	
	Button button1,button2;
	Color backColor;
	MyPanel()
	{
		button1=new Button("确定");
		button2=new Button("取消");
		add(button1);add(button2);
		setBackground(Color.pink);
		backColor=getBackground();
		button1.addActionListener(this);
		button2.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==button1)
		{
			setBackground(Color.cyan);
		}
		else if(e.getSource()==button2)
		{setBackground(backColor);}
	}
}
	   
	class WindowPanel extends Frame implements ActionListener
	{
     MyPanel panel1,panel2;
	 Button button;
	 WindowPanel()
	{
	 setLayout(new FlowLayout());
	 panel1=new MyPanel();
	 panel2=new MyPanel();
	 button=new Button("退出");
	 add(panel1);  add(panel2); add(button);
	 button.addActionListener(this);
	 setBounds(60,60,200,200);
	 setVisible(true);
	 validate();
	}
	
	public void actionPerformed(ActionEvent e)
	{
		System.exit(0);
	}

}

public class Example7_10
{
	public static void main(String[] args) 
	{
		WindowPanel win=new WindowPanel();
	}
}