panelexample.java

面板的JAVA小程序

//:PanelExample.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class PanelExample {
	public static void main(String args[]) {
		JFrame frame_panel = new JFrame("panel demo");
		
		JPanel p1=new JPanel();
		JPanel p2=new JPanel();
		JPanel p3=new JPanel(new BorderLayout());
		
		p1.setBorder(BorderFactory.createTitledBorder("panel - 1"));
		p2.setBorder(BorderFactory.createTitledBorder("panel - 2"));
		p3.setBorder(BorderFactory.createTitledBorder("panel - 3"));
		
		p1.add(new JLabel("This is Panel1!"));
		p2.add(new JLabel("This is Panel2!"));
		p3.add(new JLabel("This is Panel3!"),BorderLayout.CENTER);
		
		p3.add(p1,BorderLayout.NORTH);
		p3.add(p2,BorderLayout.SOUTH);
		
		Container contentPane=frame_panel.getContentPane();
		contentPane.add(p3);
		
		frame_panel.pack();
		frame_panel.show();
		frame_panel.setResizable(false);
		
		frame_panel.addWindowListener(new WindowAdapter() {
			public void windowsClosing(WindowEvent e) {
				System.exit(0);
			}
		});		
	}
}