1 支持如下功能：

1 退出

2 新建多个

3 双击/三击 实现隐藏删除

4 支持便签纸管理--》查看，删除

5 支持拖拽

2 效果图

3

package com.wanju.tool.function;

import java.awt.AWTException;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.Font;

import java.awt.MenuItem;

import java.awt.Point;

import java.awt.PopupMenu;

import java.awt.Rectangle;

import java.awt.SystemTray;

import java.awt.Toolkit;

import java.awt.TrayIcon;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.net.URL;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import javax.swing.BorderFactory;

import javax.swing.ImageIcon;

import javax.swing.JDialog;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JTextArea;

import javax.swing.SwingConstants;

public class ConvientTool extends JFrame {

public static void main(String args[]) {

ConvientTool frame = new ConvientTool();

//frame.setVisible(true);

try {

//frame.addIconToTray();

frame.addComplete(frame.addIconToTray());

} catch (AWTException e) {

e.printStackTrace();

}

}

public void addComplete(TrayIcon trayIcon)

{

SystemTray systemTray = SystemTray.getSystemTray();// 获得系统托盘对象

try {

systemTray.add(trayIcon);

} catch (AWTException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}// 将托盘图片添加到系统托盘中

}

public ConvientTool() {

//super();

//setTitle("使用系统托盘");

//setBounds(100, 100, 500, 375);

//setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//

//final JLabel label = new JLabel();

//label.setForeground(new Color(0, 128, 0));

//label.setFont(new Font("", Font.BOLD, 16));

//label.setHorizontalAlignment(SwingConstants.CENTER);

//label.setText("请查看系统托盘中的变化！");

//getContentPane().add(label, BorderLayout.CENTER);

}

List lists = new ArrayList();

Map map = new HashMap();

private int dialogIndex = 0;

TrayIcon trayIcon = null;

public TrayIcon addIconToTray() throws AWTException {

if (SystemTray.isSupported()) {// 判断系统是否支持系统托盘功能

URL resource = this.getClass().getResource("01.jpg");// 获得图片路径

ImageIcon icon = new ImageIcon(resource);// 创建图片对象

PopupMenu popupMenu = new PopupMenu();// 创建弹出菜单对象

MenuItem item = new MenuItem("退出");// 创建“退出”菜单项目对象

item.addActionListener(new ActionListener() {// 为菜单项目添加动作监听器

public void actionPerformed(ActionEvent e) {

System.exit(0);// 退出系统

}

});

MenuItem item1 = new MenuItem("新建便签纸");

item1.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

JDialog dialog = new JDialog();

JTextArea area = new JTextArea();

area.setBackground(new Color(255, 255, 128));

area.setBorder(BorderFactory.createLineBorder(Color.yellow,

2));

area.setToolTipText("双击隐藏，三击删除此便签纸");

JLabel label = new JLabel(" ");

dialog.add(label, BorderLayout.NORTH);

dialog.add(area, BorderLayout.CENTER);

dialog.setSize(250, 300);

dialog.setUndecorated(true);

dialog.setResizable(true);

Dimension screenSize = Toolkit.getDefaultToolkit()

.getScreenSize();

Dimension frameSize = dialog.getSize();

dialog.setLocation((screenSize.width - frameSize.width) / 1

- 100 + 10 * dialogIndex,

(screenSize.height - frameSize.height) / 2 + 10

* dialogIndex);

MouseAdapter mouseAdapter = new WindowDragListener(dialog);

dialog.addMouseListener(mouseAdapter);

dialog.addMouseMotionListener(mouseAdapter);

//dialog.setTitle(""+dialogIndex);

dialog.setVisible(true);

lists.add(dialog);

map.put("" + dialogIndex, dialog);

dialogIndex++;

}

});

MenuItem item2 = new MenuItem("隐藏便签纸");

MenuItem item3 = new MenuItem("刷新");

item2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

for (int i = 0; i < lists.size(); i++) {

((JDialog) lists.get(i)).setVisible(false);

}

}

});

PopupMenu pagesMenu = new PopupMenu("管理便签纸");

addPage(pagesMenu);

popupMenu.add(item1);// 将“退出”菜单项目添加到弹出菜单中

popupMenu.add(pagesMenu);

popupMenu.add(item2);

popupMenu.add(item3);

popupMenu.add(item);// 将“退出”菜单项目添加到弹出菜单中

trayIcon = new TrayIcon(icon.getImage(), "使用系统托盘",

popupMenu);// 创建托盘图片对象

item3.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

SystemTray systemTray = SystemTray.getSystemTray();// 获得系统托盘对象

try {

systemTray.remove(trayIcon);

addComplete(addIconToTray());

} catch (AWTException e2) {

// TODO Auto-generated catch block

e2.printStackTrace();

}// 将托盘图片添加到系统托盘中

}

});

}

return trayIcon;

}

class WindowDragListener extends MouseAdapter {

private JDialog dialog;

private Point pressPoint = new Point();

public WindowDragListener() {

// TODO Auto-generated constructor stub

}

public WindowDragListener(JDialog dialog) {

this.dialog = dialog;

}

@Override

public void mousePressed(MouseEvent e) {

pressPoint = e.getPoint();

}

@Override

public void mouseReleased(MouseEvent e) {

pressPoint = new Point();

}

@Override

public void mouseDragged(MouseEvent e) {

Rectangle r = dialog.getBounds();

dialog.setLocation(r.x + (e.getX() - pressPoint.x), r.y

+ (e.getY() - pressPoint.y));

}

public void mouseClicked(MouseEvent evt) {

if (evt.getClickCount() == 3) {

//lists.remove(dialog);

//map.remove(dialog.getTitle());

//dialog.dispose();

// 处理鼠标三击

} else if (evt.getClickCount() == 2) {

// 处理鼠标双击

dialog.setVisible(false);

}

}

}

public void addPage(PopupMenu pagesMenu) {

for (Entry entity : map.entrySet()) {

// PopupMenu subMenu = new PopupMenu(entity);

MenuItem item = new MenuItem(entity.getKey() + " 查看");

MenuItem item2 = new MenuItem(entity.getKey() + " 删除");

final String tempString = entity.getKey();

item.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if (map.get(tempString) instanceof JDialog) {

JDialog dialog = (JDialog) map.get(tempString);

dialog.setVisible(true);

}

}

});

item2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if (map.get(tempString) instanceof JDialog) {

JDialog dialog = (JDialog) map.get(tempString);

lists.remove(dialog);

dialog.dispose();

}

map.remove(tempString);

}

});

pagesMenu.add(item);

pagesMenu.add(item2);

}

}

}