myframe.java

来自「Java语言」· Java 代码 · 共 44 行

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

public class MyFrame
{
   public static void main(String args[])
   {
	new Frame1();
   }
}
class Frame1 extends Frame implements ActionListener
{
   Button btn;
   Frame1()
   {
	super("我的窗口");
	btn=new Button("关闭");
	setLayout(new FlowLayout());
	add(btn);
	btn.addActionListener(this);
	addWindowListener(new CloseWin());
	setSize(300,200);
	setVisible(true);
   }
   public void actionPerformed(ActionEvent e)
   {
	if(e.getActionCommand()=="关闭")
	{
	   dispose();
	   System.exit(0);
	}
   }
}
class CloseWin extends WindowAdapter
{
   public void windowClosing(WindowEvent e)
   {
		if((e.getSource()) instanceof Frame){
		      Frame frm=(Frame)(e.getSource());
		frm.dispose();
		System.exit(0);
		}
   }
}