javaQQ实现托盘的小例子

import java.awt.AWTException;   
import java.awt.Image;   
import java.awt.MenuItem;   
import java.awt.PopupMenu;   
import java.awt.SystemTray;   
import java.awt.Toolkit;   
import java.awt.TrayIcon;   
import java.awt.event.ActionEvent;   
import java.awt.event.ActionListener;   
import java.net.URL;   
import javax.swing.JFrame;   
import javax.swing.JLabel;   
import com.wfy.MainForm;   
  
public class TestSysteTray {   
    public static void main(String args[]) {   
        TrayIcon trayIcon = null;   
        if (SystemTray.isSupported()) // 判断系统是否支持系统托盘   
        {   
            SystemTray tray = SystemTray.getSystemTray(); // 创建系统托盘   
               
            URL imgURL = MainForm.class.getResource("/image/logo.jpg");   
            Image image = Toolkit.getDefaultToolkit().getImage(imgURL);//载入图片   
            ActionListener listener = new ActionListener() {   
                public void actionPerformed(ActionEvent e) {   
                    // 创建一个窗体   
                    JFrame frame = new JFrame();   
                    frame.setBounds(400, 400, 200, 200);   
                    JLabel label = new JLabel("welcome   JDK1.6");