thesimplestevent.java

金旭亮的java教案

// Java core packages
import java.awt.*;
import java.awt.event.*;
   
// Java extension packages
import javax.swing.*;

public class TheSimplestEvent  extends JFrame 
{
	
	private JButton okDraw;
	
	private Container container;

	public TheSimplestEvent()
	{
		super("我的Java程序!");
		// set up GUI
        container = getContentPane();
        container.setLayout( new FlowLayout() );
		
		okDraw=new JButton("开始");
		okDraw.addActionListener(new MyClickEvent());
		container.add(okDraw);
		
		//给窗口增关闭功能
		WindowListener w=new WindowAdapter()
		{
			public void windowClosing(WindowEvent e)
			{
				System.exit(0);
			}
		};
		this.addWindowListener(w);
		
	
	}

	public static void main( String args[] )
	{
		TheSimplestEvent window=new TheSimplestEvent();
		
		window.setSize(200,136);
		window.setLocation(300,300);
		window.show();
	
	}
	

}
//事件处理类

class MyClickEvent implements ActionListener
{
	public void actionPerformed(ActionEvent e)
	{
		
		JOptionPane.showMessageDialog(null,"你好！");

	}
}