Java swing 窗口最小化到任務欄 點擊右鍵顯示菜單（復制代碼即可運行查看效果）

package swing;

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 javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
/**
 * swing程序最小化至系統托盤
 * @author seara
 */
public class TestSysteTray {
 public static void main(String args[]) {
 
  TrayIcon trayIcon = null;
  if (SystemTray.isSupported()) // 判斷系統是否支持系統托盤
  {
   SystemTray tray = SystemTray.getSystemTray(); // 創建系統托盤
   Image image = Toolkit.getDefaultToolkit().getImage("D:\\j2EE\\test\\src\\images\\smile.gif");// 載入圖片,這里要寫你的圖標路徑哦
  
   ActionListener listener = new ActionListener() {
    public void actionPerformed(ActionEvent e) {
     JFrame frame = new JFrame();
     frame.setBounds(400, 400, 200, 200);
     JLabel label = new JLabel("welcome JDK1.6");
     frame.add(label);
     frame.setVisible(true);
    }
   
   };
   // 創建彈出菜單
   PopupMenu popup = new PopupMenu();
   //主界面選項
   MenuItem mainFrameItem = new MenuItem("主界面");
   mainFrameItem.addActionListener(listener);
  
 //退出程序選項
   MenuItem exitItem = new MenuItem("退出程序");
   exitItem.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
     if (JOptionPane.showConfirmDialog(null, "確定退出系統") == 0) {
      System.exit(0);
     }
    }
   });
  
   popup.add(mainFrameItem);
   popup.add(exitItem);
  
   trayIcon = new TrayIcon(image, "seara", popup);// 創建trayIcon
   trayIcon.addActionListener(listener);
   try {
    tray.add(trayIcon);
   } catch (AWTException e1) {
    e1.printStackTrace();
   }
  }
 }
}