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);
}
}
}