Java SE6 系统托盘小应用哈

 /** * @(#)MyTray.java * * * @author Xie Xiaojin * @version 1.00 2009/11/9 */import javax.swing.*;import java.awt.*;import java.awt.event.*;public class MyTray implements ActionListener {private MenuItem item1;private MenuItem item2;private MenuItem item3;private String tip = "谢小进于/n2009年11月9日/n凌晨2：52";public MyTray(){if(SystemTray.isSupported()){SystemTray tray = SystemTray.getSystemTray();PopupMenu popup = new PopupMenu();item1 = new MenuItem("我的菜单");item2 = new MenuItem("关于");item3 = new MenuItem("退出");item2.addActionListener(this);item3.addActionListener(this);popup.add(item1);popup.add(item2);popup.add(item3);TrayIcon icon = new TrayIcon(getIcon("rss.png").getImage(), tip, popup);icon.displayMessage("系统提示", tip, TrayIcon.MessageType.INFO);try{tray.add(icon);} catch(AWTException ex){System.err.println("无法向这个托盘添加新菜单项");}} else{System.out.println("无法使用系统托盘");}}public static void main(String[] args){new MyTray();}public ImageIcon getIcon(String url){return new ImageIcon(getClass().getResource(url));}public void actionPerformed(ActionEvent e){if(e.getSource() == item2){JFrame f = new JFrame("系统托盘");JLabel label = new JLabel(tip);f.getContentPane().add(label);f.setSize(300, 200);f.setLocationRelativeTo(null);f.setVisible(true);}if(e.getSource() == item3){System.exit(0);}}}