eventsample1.java

java入门经典教程 java入门经典教程 java入门经典教程

// 例6.2.1 EventSample1.java
import java.awt.event.*;
import javax.swing.*;   
public class EventSample1
{
	private static JFrame frame;
	private static JPanel pl;
	private JButton btn;
	public EventSample1() 
	{
		pl = new JPanel();  // 新建一个面板
		btn = new JButton("关闭窗口");  // 新建一个按钮
		btn.addActionListener(new MyActionListener());
		pl.add(btn);   // 将按钮添加到面板

		frame = new JFrame("事件演示窗口");  // 新建一个窗体框架
        frame.getContentPane().add(pl);
        frame.setSize(200,100);     
        frame.setVisible(true);     
	}
	public static void main(String args[])
	{
		new EventSample1();
	}
}
class MyActionListener implements ActionListener
{
	public void actionPerformed(ActionEvent e)
	{
		System.exit(0);
	}
}