Java中实现系统托盘功能(代码全贴,附加运行截图)

Java中如何,实现系统托盘功能.

示例图

项目包结构图

 

系统运行截图

应用核心逻辑说明,隐藏到托盘实质就是讲窗体隐藏.即setVisible(false),显示窗体即就是讲setVisible(true).

项目代码如下:

  1 package org.pdp.frame;
  2 
  3 import java.awt.AWTException;
  4 import java.awt.MenuItem;
  5 import java.awt.PopupMenu;
  6 import java.awt.SystemTray;
  7 import java.awt.TrayIcon;
  8 import java.awt.event.ActionEvent;
  9 import java.awt.event.ActionListener;
 10 import java.net.URL;
 11 
 12 import javax.swing.ImageIcon;
 13 import javax.swing.JFrame;
 14 import javax.swing.JMenu;
 15 import javax.swing.JMenuBar;
 16 import javax.swing.JMenuItem;
 17 
 18 
 19 public class MainFrame extends JFrame implements ActionListener{
 20 
 21     private static final long serialVersionUID = -7078030311369039390L;
 22     private JMenu menu;
 23     private JMenuBar jmenuBar;
 24     private String [] jmItemName = {"置于托盘","系统退出"};
 25     
 26     public MainFrame(){
 27         super("电话薄");
 28         init();
 29         this.setSize(500,400);
 30         this.setJMenuBar(jmenuBar);
 31         this.setLocationRelativeTo(null);
 32         systemTray();    //系统托盘
 33     }
 34     
 35     /**
 36      * 初始化界面
 37      */
 38     public void init(){
 39         menu = new JMenu("系统窗体");
 40         for(int i=0; i<jmItemName.length; i++){
 41             JMenuItem menuItem = new JMenuItem(jmItemName[i]);
 42             menuItem.addActionListener(this);
 43             menu.add(menuItem);
 44         }
 45         this.jmenuBar = new JMenuBar();
 46         this.jmenuBar.add(menu);
 47     }
 48     
 49     @Override
 50     public void actionPerformed(ActionEvent e) {
 51         String actions = e.getActionCommand();
 52         if("置于托盘".equals(actions)){
 53             this.setVisible(false);
 54         }
 55         if("系统退出".equals(actions)){
 56             System.exit(0);
 57         }
 58         
 59     }
 60     
 61     /**系统托盘图标处理.*/
 62     private void  systemTray(){
 63         if(SystemTray.isSupported()){    //判断系统是否支持托盘功能.
 64             URL resource = this.getClass().getResource("systray.jpg");    //获得图片路径
 65             ImageIcon icon = new ImageIcon(resource); //创建图片对象
 66             PopupMenu popupMenu = new PopupMenu(); //创建弹出菜单对象
 67             MenuItem itemExit = new MenuItem("退出系统");    //创建弹出菜单中的退出项
 68             MenuItem itemShow = new MenuItem("显示窗体"); //创建弹出菜单中的显示主窗体项.
 69             itemExit.addActionListener(new ActionListener() {     //给退出像添加事件监听
 70                 @Override
 71                 public void actionPerformed(ActionEvent e) {
 72                     System.exit(0);
 73                 }            
 74             });
 75             itemShow.addActionListener(new ActionListener() { //给窗体最小化添加事件监听.
 76                 @Override
 77                 public void actionPerformed(ActionEvent e) {
 78                     setVisible(true);
 79                 }
 80             });
 81             popupMenu.add(itemExit);
 82             popupMenu.add(itemShow);
 83             TrayIcon trayIcon = new TrayIcon(icon.getImage(),"电话薄系统",popupMenu);
 84             SystemTray sysTray = SystemTray.getSystemTray();
 85             try {
 86                 sysTray.add(trayIcon);
 87             } catch (AWTException e1) {    }
 88         }
 89     }
 90     
 91     /**
 92      * 主方法
 93      * @param args
 94      */
 95     public static void main(String[] args) {
 96 
 97         new MainFrame().setVisible(true);
 98     
 99     }
100 
101 }

 转载请注明出处[http://www.cnblogs.com/dennisit/archive/2012/12/25/2833060.html]