layouttest.java

java中图形用户界面的设计

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class LayoutTest
{
	public static void main(String args[])
	{
		 myFrame Frame1 = new myFrame("LayoutTest");
		 Frame1.show();
	   Frame1.pack();
	}
}

class myFrame extends JFrame
{
	myFrame(String str)
	{
		super(str);
		setSize(300,200);
	
	  Container Conpane = getContentPane();
	  Conpane.setLayout(new BorderLayout());
		// Create new panels
		JPanel top = new JPanel();
		JPanel middle = new JPanel();
		JPanel bottom = new JPanel();
		// Set layouts of panels
		top.setLayout(new BorderLayout());
		middle.setLayout(new GridLayout(6, 7));
		bottom.setLayout(new GridLayout(1, 3));
	// Add calendar components
	// Top
		top.add(new JButton("Previous Month"), BorderLayout.WEST);
		JLabel month = new JLabel("October", JLabel.CENTER);
		top.add(month, BorderLayout.CENTER);
		top.add(new JButton("Next Month"), BorderLayout.EAST);
		Conpane.add(top, BorderLayout.NORTH);
		// Middle
		// Add days names
		String days[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
		for (int i=0; i<days.length; i++)
		    middle.add(new JButton(days[i]));
		// Add days
		for (int day=1; day<=31; day++)
		{
		    Integer Day = new Integer(day);
		    middle.add(new JButton(Day.toString()));
		}
		Conpane.add(middle, BorderLayout.CENTER);
		// Bottom
		bottom.add(new JButton("Edit"));
		bottom.add(new JButton("Save"));
		bottom.add(new JButton("Quit"));
		Conpane.add(bottom, BorderLayout.SOUTH);
							
		addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent e)
			{
				System.exit(0);
			}
		});
	}
}