boxlayoutexample.java

我在学习JAVA的讲义

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

public class BoxLayoutExample
	{
	public static void main(String args [])
		{
		JFrame                 frame_box = new JFrame("BoxLayout示例");
		Container              contentPane = frame_box.getContentPane();
		ContainerWithBoxLayout yaxis = new ContainerWithBoxLayout(BoxLayout.Y_AXIS);
		ContainerWithBoxLayout xaxis = new ContainerWithBoxLayout(BoxLayout.X_AXIS);
		contentPane.setLayout(new FlowLayout());
		xaxis.add(new JButton("one"));
		xaxis.add(new JButton("two"));
		xaxis.add(new JButton("three"));
		yaxis.add(new JButton("four"));
		yaxis.add(new JButton("five"));
		yaxis.add(new JButton("six"));
		contentPane.add(xaxis);
		contentPane.add(yaxis);
		frame_box.pack();
		frame_box.show();
		frame_box.addWindowListener(new WindowAdapter()
			{
			public void windowClosing(WindowEvent e)
				{
				System.exit(0);
				}
			});
		}
	}

class ContainerWithBoxLayout
	extends JPanel
	{
	public ContainerWithBoxLayout(int orientation)
		{
		setLayout(new BoxLayout(this, orientation));
		}
	}