java swing 实现系统托盘

本文转载，原作者看到请谅解！

# 源码：
# /*  
#  * MainFrame.java  
#  *  
#  */   
#   
# package  com.topking.tray.ui;  
#   
# import  java.awt.AWTException;  
# import  java.awt.Image;  
# import  java.awt.MenuItem;  
# import  java.awt.PopupMenu;  
# import  java.awt.SystemTray;  
# import  java.awt.TrayIcon;  
# import  java.awt.event.ActionEvent;  
# import  java.awt.event.ActionListener;  
# import  java.awt.event.MouseEvent;  
# import  java.awt.event.MouseListener;  
# import  java.awt.event.WindowEvent;  
# import  java.awt.event.WindowListener;  
#   
# import  javax.swing.ImageIcon;  
#   
# /**  
#  *  
#  */   
# public   class  MainFrame  extends  javax.swing.JFrame  implements  ActionListener, WindowListener{  
#   
#     // Variables declaration - do not modify   
#     private  javax.swing.JLabel L_img;  
#     private  javax.swing.JLabel L_img2;  
#     private  PopupMenu pop;  
#     private  MenuItem open,close;  
#     private  TrayIcon trayicon;  
#     // End of variables declaration   
#   
#       
#     /** Creates new form MainFrame */   
#     public  MainFrame() {  
#         this .setTitle( "Java实现系统托盘示例" );  
#         this .setLocation( 300 , 300 );  
#         initComponents();  
#     }  
#   
#     /** This method is called from within the constructor to  
#      * initialize the form.  
#      * WARNING: Do NOT modify this code. The content of this method is  
#      * always regenerated by the Form Editor.  
#      */   
#     @SuppressWarnings ( "unchecked" )  
#     // <editor-fold defaultstate="collapsed" desc="Generated Code">   
#     private   void  initComponents() {  
#                   
# //        L_img = new javax.swing.JLabel(new ImageIcon((MainFrame.class).getResource("com/topking/tray/images/netbean1.png")));           
# //        L_img2 = new javax.swing.JLabel(new ImageIcon((MainFrame.class).getResource("com/topking/tray/images/netbean2.png")));   
#         L_img = new  javax.swing.JLabel( new  ImageIcon( this .getClass().getClassLoader().getResource( "com/topking/tray/images/netbean1.png" )));          
#         L_img2 = new  javax.swing.JLabel( new  ImageIcon( this .getClass().getClassLoader().getResource( "com/topking/tray/images/netbean2.png" )));    
#   
#   
#         pop = new  PopupMenu();  
#         open = new  MenuItem( "打开" );  
#         open.addActionListener(this );  
#           
#         close = new  MenuItem( "关闭" );  
#         close.addActionListener(this );  
#           
#         pop.add(open);  
#         pop.add(close);         
#         
#         if (SystemTray.isSupported()){  
#             SystemTray tray = SystemTray.getSystemTray();  
#             Image icon = this .getToolkit().getImage( this .getClass().getClassLoader().getResource( "com/topking/tray/images/user_edit.png" ));  
#             trayicon = new  TrayIcon(icon, "系统托盘示例(java)" ,pop);  
#             trayicon.addMouseListener(new  MouseListener(){  
#   
#                 public   void  mouseClicked(MouseEvent e) {  
#                     // TODO Auto-generated method stub   
#                     if (e.getClickCount()== 2 ){  
#                         openFrame();  
#                     }  
#                 }  
#   
#                 public   void  mouseEntered(MouseEvent e) {  
#                     // TODO Auto-generated method stub   
#                       
#                 }  
#   
#                 public   void  mouseExited(MouseEvent e) {  
#                     // TODO Auto-generated method stub   
#                       
#                 }  
#   
#                 public   void  mousePressed(MouseEvent e) {  
#                     // TODO Auto-generated method stub   
#                       
#                 }  
#   
#                 public   void  mouseReleased(MouseEvent e) {  
#                     // TODO Auto-generated method stub   
#                       
#                 }  
#                   
#             });  
#               
#             try  {  
#                 tray.add(trayicon);  
#             } catch  (AWTException e) {  
#                 // TODO Auto-generated catch block   
#                 e.printStackTrace();  
#             }  
#         }  
#   
#         javax.swing.GroupLayout layout = new  javax.swing.GroupLayout(getContentPane());  
#         getContentPane().setLayout(layout);  
#         layout.setHorizontalGroup(  
#             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)  
#             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()  
#                 .addContainerGap()  
#                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)  
#                     .addComponent(L_img2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 380 , Short.MAX_VALUE)  
#                     .addComponent(L_img, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 380 , Short.MAX_VALUE))  
#                 .addContainerGap())  
#         );  
#         layout.setVerticalGroup(  
#             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)  
#             .addGroup(layout.createSequentialGroup()  
#                 .addContainerGap()  
#                 .addComponent(L_img)  
#                 .addGap(29 ,  29 ,  29 )  
#                 .addComponent(L_img2, javax.swing.GroupLayout.PREFERRED_SIZE, 222 , javax.swing.GroupLayout.PREFERRED_SIZE)  
#                 .addContainerGap(39 , Short.MAX_VALUE))  
#         );  
#   
#         pack();  
#     }// </editor-fold>   
#   
#     /**  
#     * @param args the command line arguments  
#     */   
#     public   static   void  main(String args[]) {  
#         java.awt.EventQueue.invokeLater(new  Runnable() {  
#             public   void  run() {  
#                 new  MainFrame().setVisible( true );  
#             }  
#         });  
#     }  
#   
#     public   void  actionPerformed(ActionEvent e) {  
#         // TODO Auto-generated method stub   
#         if (e.getSource()==open){  
#             openFrame();  
#         }  
#         if (e.getSource()==close){  
#             System.exit(-1 );  
#         }  
#     }  
#   
#     public   void  openFrame(){  
#         this .setVisible( true );  
#         this .setAlwaysOnTop( true );  
#     }  
#     public   void  windowActivated(WindowEvent arg0) {  
#         // TODO Auto-generated method stub   
#           
#     }  
#   
#     public   void  windowClosed(WindowEvent arg0) {  
#         // TODO Auto-generated method stub   
#         this .setVisible( false );  
#         this .dispose();  
#     }  
#   
#     public   void  windowClosing(WindowEvent arg0) {  
#         // TODO Auto-generated method stub   
#           
#     }  
#   
#     public   void  windowDeactivated(WindowEvent arg0) {  
#         // TODO Auto-generated method stub   
#           
#     }  
#   
#     public   void  windowDeiconified(WindowEvent arg0) {  
#         // TODO Auto-generated method stub   
#           
#     }  
#   
#     //窗口最小化   
#     public   void  windowIconified(WindowEvent arg0) {  
#         // TODO Auto-generated method stub         
#         this .dispose();  
#     }  
#   
#     public   void  windowOpened(WindowEvent arg0) {  
#         // TODO Auto-generated method stub   
#           
#     }  
#   
#       
# }