swing程序最小化至系统托盘

将  0.png 放到 d:\a\0.png （没找到上传附件的地方，也是醉了，随便下载个png  即可）路径下，然后运行即可

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程序最小化至系统托盘
 * @author yll
 */
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
            Image image = Toolkit.getDefaultToolkit().getImage("D:\\a\\0.png");// 载入图片,这里要写你的图标路径哦

            ActionListener listener = new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    JFrame frame = new JFrame();
                    frame.setBounds(400, 400, 200, 200);// 界面大小
                    JLabel label = new JLabel("欢迎使用托盘系统");
                    frame.add(label);
                    frame.setVisible(true);
                }

            };
            // 创建弹出菜单
            PopupMenu popup = new PopupMenu();
            //主界面选项
            MenuItem mainFrameItem = new MenuItem("main frame");
            mainFrameItem.addActionListener(listener);

            //退出程序选项
            MenuItem exitItem = new MenuItem("exit");
            exitItem.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    if (JOptionPane.showConfirmDialog(null, "确定退出系统") == 0) {
                        System.exit(0);
                    }
                }
            });

            popup.add(mainFrameItem);
            popup.add(exitItem);

            trayIcon = new TrayIcon(image, "托盘图标", popup);// 创建trayIcon
            trayIcon.addActionListener(listener);
            try {
                tray.add(trayIcon);
            } catch (AWTException e1) {
                e1.printStackTrace();
            }
        }
    }
}