Java swing 窗口最小化到任务栏 点击左键显示

package seara.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程序最小化至系统托盘
* @author seara
*/
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("res\\icon.gif");// 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);
JLabel label = new JLabel("welcome JDK1.6");
frame.add(label);
frame.setVisible(true);
}
};
// 创建弹出菜单
PopupMenu popup = new PopupMenu();
MenuItem defaultItem = new MenuItem("主界面");
defaultItem.addActionListener(listener);
MenuItem exitItem = new MenuItem("退出程序");
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(defaultItem);
popup.add(exitItem);
trayIcon = new TrayIcon(image, "seara", popup);// 创建trayIcon
trayIcon.addActionListener(listener);
try {
tray.add(trayIcon);
} catch (AWTException e1) {
e1.printStackTrace();
}
}
}
}