test.java

swing 教程,与大家分享一下,哈哈,希望大家多多指教

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

public class Test extends JFrame {
	public Test() { 
		Container contentPane = getContentPane();

		JMenuBar mb = new JMenuBar();
		JMenu fileMenu = new JMenu("File");
		JMenuItem exitItem = new JMenuItem("Exit");

		fileMenu.add("New ...");
		fileMenu.add("Open ...");
		fileMenu.add("Save");
		fileMenu.add("Save As ..");
		fileMenu.addSeparator();
		fileMenu.add(exitItem);

		exitItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				System.exit(0);
			}
		});

		KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_X, 
											  Event.ALT_MASK);
		exitItem.setAccelerator(ks);

		fileMenu.setMnemonic('F');
		exitItem.setMnemonic(KeyEvent.VK_X);

		mb.add(fileMenu);
		setJMenuBar(mb);
	}
	public static void main(String args[]) {
		GJApp.launch(new Test(), 
					"Accelerators and Mnemonics",300,300,450,300);
	}
}
class GJApp extends WindowAdapter {
	static private JPanel statusArea = new JPanel();
	static private JLabel status = new JLabel(" ");

	public static void launch(final JFrame f, String title,
							  final int x, final int y, 
							  final int w, int h) {
		f.setTitle(title);
		f.setBounds(x,y,w,h);
		f.setVisible(true);

		statusArea.setBorder(BorderFactory.createEtchedBorder());
		statusArea.setLayout(new FlowLayout(FlowLayout.LEFT,0,0));
		statusArea.add(status);
		status.setHorizontalAlignment(JLabel.LEFT);

		f.setDefaultCloseOperation(
							WindowConstants.DISPOSE_ON_CLOSE);

		f.addWindowListener(new WindowAdapter() {
			public void windowClosed(WindowEvent e) {
				System.exit(0);
			}
		});
	}
	static public JPanel getStatusArea() {
		return statusArea;
	}
	static public void updateStatus(String s) {
		status.setText(s);
	}
}