一直以来，很多java的同志们都没有一个完整资料来参考。把源码贴出来，大家共享！

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Insets;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.Rectangle;
import java.awt.SystemTray;
import java.awt.Toolkit;
import java.awt.TrayIcon;
import java.awt.TrayIcon.MessageType;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Date;
import java.util.Scanner;
import java.util.Stack;
import java.util.prefs.Preferences;import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JPopupMenu;
import javax.swing.JProgressBar;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.JToggleButton;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.BevelBorder;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;public class EQ extends JDialog{private JTextField ipEndTField;private JTextField ipStartTField;private JTextField userNameTField;//用户框private JPasswordField passwordTField;//密码框private JTextField placardPathTField;//placard:公告private JTextField updatePathTField;//更新路径private JTextField pubPathTField;public static EQ frame = null;private ChatTree chatTree;private JPopupMenu popupMenu;//右键菜单private JTabbedPane tabbedPane;//分页面板private JToggleButton searchUserButton;//搜索用户按钮private JProgressBar progressBar;//滚动条private JList faceList;private JButton selectInterfaceOKButton;private DatagramSocket ss;//数据报插座private final JLabel stateLabel;private static String user_dir;private static File localFile;private static File netFile;private String netFilePath;private JButton messageAlertButton;private Stack<String> messageStack;Stack 类表示后进先出（LIFO）的对象堆栈。private ImageIcon messageAlertIcon;private ImageIcon messageAlertNullIcon;private Rectangle location;public static TrayIcon trayicon;private Dao dao;//Preferences.systeRoot:返回系统的根首选项节点   Preferences:参数选择public final static Preferences preferences = Preferences.systemRoot();private JButton userInfoButton;//----------------------------------------------------------------------------------public static void main(String[] args){try{String laf = preferences.get("lookAndFeel", "java默认");if(laf.indexOf("当前系统") > -1){UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());}EQ frame = new EQ();frame.setVisible(true);frame.SystemTrayInitial();// 初始化系统栏frame.server();frame.checkPlacard();}catch(Exception e){e.printStackTrace();}}//----------------------------------------------------------------------------------public EQ(){super(new JFrame());frame = this;dao = Dao.getDao();location = dao.getLocation();setTitle("EQ聊天");setBounds(location);progressBar = new JProgressBar();//BevelBorder:该类实现简单的双线斜面边框。Bevel:斜面     lowered:凹入斜面类型。progressBar.setBorder(new BevelBorder(BevelBorder.LOWERED));tabbedPane = new JTabbedPane();popupMenu = new JPopupMenu();chatTree = new ChatTree(this);user_dir = System.getProperty("user.dir");// 程序执行路径用于系统更新localFile = new File(user_dir + File.separator + "EQ.jar");// 本地EQ文件stateLabel = new JLabel();// 状态栏标签this.addWindowListener(new FrameWindowListener());// 添加窗体监视器this.addComponentListener(new ComponentAdapter(){public void componentResized(final ComponentEvent e){saveLocation();}public void componentMoved(final ComponentEvent e){saveLocation();}});try{// 启动通讯服务端口ss = new DatagramSocket(1111);}catch(SocketException e2){if(e2.getMessage().startsWith("Address already in use")){showMessageDialog("服务端口被占用,或者本软件已经运行。");}System.exit(0);}{// 初始化公共信息按钮messageAlertIcon = new ImageIcon(EQ.class.getResource("/image/messageAlert.gif"));messageAlertNullIcon = new ImageIcon(EQ.class.getResource("/image/messageAlertNull20.gif"));messageStack = new Stack<String>();messageAlertButton = new JButton();messageAlertButton.setHorizontalAlignment(SwingConstants.RIGHT);messageAlertButton.setContentAreaFilled(false);//不填充内容区域final JPanel BannerPanel = new JPanel();BannerPanel.setLayout(new BorderLayout());this.add(BannerPanel,BorderLayout.NORTH);userInfoButton = new JButton();BannerPanel.add(userInfoButton,BorderLayout.WEST);userInfoButton.setMargin(new Insets(0,0,0,10));//Margin:边距    insets:插入 initUserInfoButton();// 初始化本地用户头像按钮BannerPanel.add(messageAlertButton,BorderLayout.CENTER);messageAlertButton.addActionListener(new ActionListener(){@Overridepublic void actionPerformed(ActionEvent arg0) {if(!messageStack.empty()){showMessageDialog(messageStack.pop());//堆栈顶部的对象（Vector 对象中的最后一项）。 }}});messageAlertButton.setIcon(messageAlertIcon);showMessageBar();}this.add(tabbedPane,BorderLayout.CENTER);tabbedPane.setTabPlacement(SwingConstants.LEFT);//设置此选项卡窗格的选项卡布局ImageIcon userTicon = new ImageIcon(EQ.class.getResource("/image/tabIcon/tabLeft.PNG"));tabbedPane.addTab(null,userTicon,createUserList(),"用户列表");ImageIcon sysOTicon = new ImageIcon(EQ.class.getResource("/image/tabIcon/tabLeft2.PNG"));tabbedPane.addTab(null, sysOTicon, createSysToolPanel(), "系统操作");ImageIcon sysSTicon = new ImageIcon(EQ.class.getResource("/image/tabIcon/tabLeft3.png"));tabbedPane.addTab(null, sysSTicon, createSysSetPanel(), "系统设置");this.setAlwaysOnTop(true);//总在顶部}//----------------------------------------------------------------------------------private JScrollPane createSysSetPanel(){//系统设置面板final JPanel sysSetPanel = new JPanel();JScrollPane scrollPane = new JScrollPane(sysSetPanel);sysSetPanel.setLayout(new BoxLayout(sysSetPanel,BoxLayout.Y_AXIS));scrollPane.setBorder(new EmptyBorder(0,0,0,0));final JPanel sysPathPanel = new JPanel();sysPathPanel.setMaximumSize(new Dimension(600,200));sysPathPanel.setBorder(new TitledBorder("系统路径"));//title - 边框应显示的标题sysPathPanel.setLayout(new GridLayout(0,1));sysSetPanel.add(sysPathPanel);sysPathPanel.add(new JLabel("程序升级路径"));updatePathTField = new JTextField(preferences.get("updatePath", "请输入路径"));sysPathPanel.add(updatePathTField);sysPathPanel.add(new JLabel("系统公告路径："));placardPathTField = new JTextField(preferences.get("placardPath","请输入路径"));sysPathPanel.add(placardPathTField);sysPathPanel.add(new JLabel("公共程序路径："));pubPathTField = new JTextField(preferences.get("pubPath", "请输入路径"));sysPathPanel.add(pubPathTField);final JButton pathOKButton = new JButton("确定");pathOKButton.setActionCommand("sysOK");pathOKButton.addActionListener(new SysSetPanelOKListener());sysSetPanel.add(pathOKButton);final JPanel loginPanel = new JPanel();loginPanel.setMaximumSize(new Dimension(600, 90));loginPanel.setBorder(new TitledBorder("登录升级服务器"));final GridLayout gridLayout_1 = new GridLayout(0, 1);gridLayout_1.setVgap(5);loginPanel.setLayout(gridLayout_1);sysSetPanel.add(loginPanel);final JPanel panel_7 = new JPanel();panel_7.setLayout(new BoxLayout(panel_7, BoxLayout.X_AXIS));loginPanel.add(panel_7);panel_7.add(new JLabel("用户名："));userNameTField = new JTextField(preferences.get("username", "请输入用户名"));panel_7.add(userNameTField);final JPanel panel_8 = new JPanel();panel_8.setLayout(new BoxLayout(panel_8, BoxLayout.X_AXIS));loginPanel.add(panel_8);panel_8.add(new JLabel("密　码："));passwordTField = new JPasswordField("*****");panel_8.add(passwordTField);final JButton loginOKButton = new JButton("确定");sysSetPanel.add(loginOKButton);loginOKButton.setActionCommand("loginOK");loginOKButton.addActionListener(new SysSetPanelOKListener());final JPanel ipPanel = new JPanel();final GridLayout gridLayout_2 = new GridLayout(0, 1);gridLayout_2.setVgap(5);ipPanel.setLayout(gridLayout_2);ipPanel.setMaximumSize(new Dimension(600, 90));ipPanel.setBorder(new TitledBorder("IP搜索范围"));sysSetPanel.add(ipPanel);final JPanel panel_5 = new JPanel();panel_5.setLayout(new BoxLayout(panel_5, BoxLayout.X_AXIS));ipPanel.add(panel_5);panel_5.add(new JLabel("起始IP："));ipStartTField = new JTextField(preferences.get("ipStart", "192.168.0.1"));panel_5.add(ipStartTField);final JPanel panel_6 = new JPanel();panel_6.setLayout(new BoxLayout(panel_6, BoxLayout.X_AXIS));ipPanel.add(panel_6);panel_6.add(new JLabel("终止IP："));ipEndTField = new JTextField(preferences.get("ipEnd", "192.168.1.255"));panel_6.add(ipEndTField);final JButton ipOKButton = new JButton("确定");ipOKButton.setActionCommand("ipOK");ipOKButton.addActionListener(new SysSetPanelOKListener());sysSetPanel.add(ipOKButton);return scrollPane;}//----------------------------------------------------------------------------------private JScrollPane createUserList(){// 用户列表面板JScrollPane scrollPane = new JScrollPane();scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);addUserPopup(chatTree,getPopupMenu());// 为用户添加弹出菜单scrollPane.setViewportView(chatTree);scrollPane.setBorder(new EmptyBorder(0,0,0,0));chatTree.addMouseListener(new ChatTreeMouseListener());return scrollPane;}//----------------------------------------------------------------------------------private JScrollPane createSysToolPanel() {// 系统工具面板JPanel sysToolPanel = new JPanel(); // 系统工具面板sysToolPanel.setLayout(new BorderLayout());JScrollPane sysToolScrollPanel = new JScrollPane();sysToolScrollPanel.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);sysToolScrollPanel.setBorder(new EmptyBorder(0, 0, 0, 0));sysToolScrollPanel.setViewportView(sysToolPanel);sysToolPanel.setBorder(new BevelBorder(BevelBorder.LOWERED));JPanel interfacePanel = new JPanel();sysToolPanel.add(interfacePanel, BorderLayout.NORTH);interfacePanel.setLayout(new BorderLayout());interfacePanel.setBorder(new TitledBorder("界面选择-再次启动生效"));faceList = new JList(new String[]{"当前系统", "java默认"});interfacePanel.add(faceList);faceList.setBorder(new BevelBorder(BevelBorder.LOWERED));final JPanel interfaceSubPanel = new JPanel();interfaceSubPanel.setLayout(new FlowLayout());interfacePanel.add(interfaceSubPanel, BorderLayout.SOUTH);selectInterfaceOKButton = new JButton("确定");selectInterfaceOKButton.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {preferences.put("lookAndFeel", faceList.getSelectedValue().toString());JOptionPane.showMessageDialog(EQ.this, "重新运行本软件后生效");}});interfaceSubPanel.add(selectInterfaceOKButton);JPanel searchUserPanel = new JPanel(); // 用户搜索面板sysToolPanel.add(searchUserPanel);searchUserPanel.setLayout(new BorderLayout());final JPanel searchControlPanel = new JPanel();searchControlPanel.setLayout(new GridLayout(0, 1));searchUserPanel.add(searchControlPanel, BorderLayout.SOUTH);final JList searchUserList = new JList(new String[]{"检测用户列表"});// 新添加用户列表final JScrollPane scrollPane_2 = new JScrollPane(searchUserList);scrollPane_2.setDoubleBuffered(true);searchUserPanel.add(scrollPane_2);searchUserList.setBorder(new BevelBorder(BevelBorder.LOWERED));searchUserButton = new JToggleButton();searchUserButton.setText("搜索新用户");searchUserButton.addActionListener(new SearchUserActionListener(searchUserList));searchControlPanel.add(progressBar);searchControlPanel.add(searchUserButton);searchUserPanel.setBorder(new TitledBorder("搜索用户"));final JPanel sysUpdatePanel = new JPanel();sysUpdatePanel.setOpaque(false);sysUpdatePanel.setLayout(new GridBagLayout());sysUpdatePanel.setBorder(new TitledBorder("系统操作"));sysToolPanel.add(sysUpdatePanel, BorderLayout.SOUTH);final JButton sysUpdateButton = new JButton("系统更新");final GridBagConstraints gridBagConstraints_1 = new GridBagConstraints();gridBagConstraints_1.gridx = 0;gridBagConstraints_1.gridy = 0;sysUpdatePanel.add(sysUpdateButton, gridBagConstraints_1);sysUpdateButton.addActionListener(new SysUpdateListener());// 添加系统更新事件final JLabel updateLabel = new JLabel("最近更新：");final GridBagConstraints updateLabelLayout = new GridBagConstraints();updateLabelLayout.gridy = 1;updateLabelLayout.gridx = 0;sysUpdatePanel.add(updateLabel, updateLabelLayout);final JLabel updateDateLabel = new JLabel();// 程序更新日期标签Date date = new Date(localFile.lastModified());String dateStr = String.format("%tF %<tr", date);updateDateLabel.setText(dateStr);final GridBagConstraints updateDateLayout = new GridBagConstraints();updateDateLayout.gridy = 2;updateDateLayout.gridx = 0;sysUpdatePanel.add(updateDateLabel, updateDateLayout);final JLabel updateStaticLabel = new JLabel("更新状态：");final GridBagConstraints updateStaticLayout = new GridBagConstraints();updateStaticLayout.gridy = 3;updateStaticLayout.gridx = 0;sysUpdatePanel.add(updateStaticLabel, updateStaticLayout);final JLabel updateInfoLabel = new JLabel();// 版本信息标签checkSysInfo(updateInfoLabel);// 调用检测版本更新的方法final GridBagConstraints gridBagConstraints_5 = new GridBagConstraints();gridBagConstraints_5.gridy = 4;gridBagConstraints_5.gridx = 0;sysUpdatePanel.add(updateInfoLabel, gridBagConstraints_5);JPanel statePanel = new JPanel();add(statePanel, BorderLayout.SOUTH);statePanel.setLayout(new BorderLayout());statePanel.add(stateLabel);stateLabel.setText("总人数：" + chatTree.getRowCount());return sysToolScrollPanel;}//----------------------------------------------------------------------------------private void initUserInfoButton(){try{String ip = InetAddress.getLocalHost().getHostAddress();User user = dao.getUser(ip);userInfoButton.setIcon(user.getIconImg());userInfoButton.setText(user.getName());userInfoButton.setIconTextGap(JLabel.RIGHT);userInfoButton.setToolTipText(user.getTipText());userInfoButton.getParent().doLayout();}catch(UnknownHostException e1){e1.printStackTrace();}}//----------------------------------------------------------------------------------private void showMessageBar(){// 显示公告信息按钮的线程new Thread(new Runnable() {public void run() {while (true) {if (!messageStack.empty()) {try {messageAlertButton.setIcon(messageAlertNullIcon);messageAlertButton.setPreferredSize(new Dimension(20, 20));Thread.sleep(500);messageAlertButton.setIcon(messageAlertIcon);Thread.sleep(500);} catch (InterruptedException e) {e.printStackTrace();}} else {try {Thread.sleep(3000);} catch (InterruptedException e) {e.printStackTrace();}}}}}).start();}//----------------------------------------------------------------------------------private void checkSysInfo(final JLabel updateInfo){new Thread(new Runnable(){public void run(){String info = "";while(true){try{netFilePath = preferences.get("updatePath", "EQ.jar");if(netFilePath.equals("EQ.jar")){info = "<html><center><font color=red><b>无法登录</b><br>未设置升级路径</font></center></html>";updateInfo.setText(info);continue;}netFile = new File(netFilePath);if(netFile.exists()){Date netDate = new Date(netFile.lastModified());if(!localFile.exists()){info = "<html><font color=blue>本地程序位置出错！</font></html>";}else{Date localDate = new Date(localFile.lastModified());if(netDate.after(localDate)){info = "<html><font color=blue>网络上有最新程序！</font></html>";pushMessage(info);}else{info = "<html><font color=green>现在是最新程序！</font></html>";}}}else{info = "<html><center><font color=red><b>无法访问</b><br>升级路径</font></center></html>";}updateInfo.setText(info);Thread.sleep(5*1000);}catch(InterruptedException e){e.printStackTrace();}}}}).start();}//----------------------------------------------------------------------------------class SearchUserActionListener implements ActionListener{private final JList list;SearchUserActionListener(JList list){this.list = list;}@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubif(searchUserButton.isSelected()){searchUserButton.setText("停止搜索");new Thread(new Runnable(){public void run(){Resource.searchUsers(chatTree, progressBar,list, searchUserButton);}}).start();}else{searchUserButton.setText("搜索新用户");}}}//----------------------------------------------------------------------------------class SysSetPanelOKListener implements ActionListener{@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubString command = e.getActionCommand();if(command.equals("sysOK")){String updatePath = updatePathTField.getText();String placardPath = placardPathTField.getText();String pubPath = pubPathTField.getText();preferences.put("updatePath", updatePath); // 设置系统升级路径preferences.put("placardPath", placardPath);// 设置系统公告路径preferences.put("pubPath", pubPath); // 设置公共程序路径JOptionPane.showMessageDialog(EQ.this, "系统设置保存完毕");}if (command.equals("loginOK")) {String username = userNameTField.getText();String password = new String(passwordTField.getPassword());preferences.put("username", username); // 设置系统升级路径preferences.put("password", password);// 设置系统公告路径JOptionPane.showMessageDialog(EQ.this, "登录设置保存完毕");}if (command.equals("ipOK")) {String ipStart = ipStartTField.getText();String ipEnd = ipEndTField.getText();try {InetAddress.getByName(ipStart);InetAddress.getByName(ipEnd);} catch (UnknownHostException e1) {JOptionPane.showMessageDialog(EQ.this, "IP地址格式错误");return;}preferences.put("ipStart", ipStart); // 设置系统升级路径preferences.put("ipEnd", ipEnd);// 设置系统公告路径JOptionPane.showMessageDialog(EQ.this, "IP设置保存完毕");}}}//----------------------------------------------------------------------------------private final class SysUpdateListener implements ActionListener{// 系统更新事件@Overridepublic void actionPerformed(final ActionEvent e) {// TODO Auto-generated method stubString username = preferences.get("username", null);String password = preferences.get("password", null);if(username == null || password == null){pushMessage("未设置登录升级服务器的用户名或密码");return;}Resource.loginPublic(username, password);updateProject();}}//----------------------------------------------------------------------------------private class ChatTreeMouseListener extends MouseAdapter{// 用户列表的监听器public void mouseClicked(final MouseEvent e){if (e.getClickCount() == 2) {TreePath path = chatTree.getSelectionPath();if (path == null)return;DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();User user = (User) node.getUserObject();try {TelFrame.getInstance(ss, new DatagramPacket(new byte[0], 0,InetAddress.getByName(user.getIp()), 1111),chatTree);} catch (IOException e1) {e1.printStackTrace();}}}}//----------------------------------------------------------------------------------private void server(){// 服务器启动方法new Thread(new Runnable(){public void run(){while(true){if(ss != null){byte[] buf = new byte[4096];DatagramPacket dp = new DatagramPacket(buf,buf.length);try{ss.receive(dp);}catch(IOException e){e.printStackTrace();}TelFrame.getInstance(ss,dp,chatTree);}}}}).start();}//----------------------------------------------------------------------------------private void addUserPopup(Component component, final JPopupMenu popup){// 添加用户弹出菜单component.addMouseListener(new MouseAdapter(){public void mousePressed(MouseEvent e){if(e.isPopupTrigger()){showMenu(e);}}public void mouseReleased(MouseEvent e) {if (e.isPopupTrigger())showMenu(e);}private void showMenu(MouseEvent e){if(chatTree.getSelectionPaths() == null){popupMenu.getComponent(0).setEnabled(false);popupMenu.getComponent(2).setEnabled(false);popupMenu.getComponent(3).setEnabled(false);popupMenu.getComponent(4).setEnabled(false);popupMenu.getComponent(5).setEnabled(false);}else{if(chatTree.getSelectionPaths().length < 2){popupMenu.getComponent(3).setEnabled(false);}else {popupMenu.getComponent(3).setEnabled(true);}popupMenu.getComponent(0).setEnabled(true);popupMenu.getComponent(2).setEnabled(true);popupMenu.getComponent(4).setEnabled(true);popupMenu.getComponent(5).setEnabled(true);}popup.show(e.getComponent(), e.getX(), e.getY());}});}//----------------------------------------------------------------------------------private void saveLocation(){// 保存主窗体位置的方法location = getBounds();dao.updateLocation(location);}//----------------------------------------------------------------------------------protected JPopupMenu getPopupMenu(){// 创建用户弹出菜单if (popupMenu == null) {popupMenu = new JPopupMenu();popupMenu.setOpaque(false);}final JMenuItem rename = new JMenuItem();popupMenu.add(rename);rename.addActionListener(new RenameActionListener());rename.setText("更名");final JMenuItem addUser = new JMenuItem();addUser.addActionListener(new AddUserActionListener());popupMenu.add(addUser);addUser.setText("添加用户");final JMenuItem delUser = new JMenuItem();delUser.addActionListener(new delUserActionListener());popupMenu.add(delUser);delUser.setText("删除用户");final JMenuItem messagerGroupSend = new JMenuItem();messagerGroupSend.addActionListener(new messagerGroupSendActionListener());messagerGroupSend.setText("信使群发");popupMenu.add(messagerGroupSend);final JMenuItem accessComputerFolder = new JMenuItem("访问主机资源");accessComputerFolder.setActionCommand("computer");popupMenu.add(accessComputerFolder);accessComputerFolder.addActionListener(new accessFolderActionListener());final JMenuItem accessPublicFolder = new JMenuItem();popupMenu.add(accessPublicFolder);accessPublicFolder.setOpaque(false);accessPublicFolder.setText("访问公共程序");accessPublicFolder.setActionCommand("public");accessPublicFolder.addActionListener(new accessFolderActionListener());return popupMenu;}//----------------------------------------------------------------------------------private void updateProject(){// 程序更新方法netFilePath = preferences.get("updatePath", "EQ.jar");if(netFilePath.equals("EQ.jar")){pushMessage("未设置升级路径");return;}netFile = new File(netFilePath);localFile = new File(user_dir + File.separator + "EQ.jar");if (localFile != null && netFile != null && netFile.exists()&& localFile.exists()) {Date netDate = new Date(netFile.lastModified());Date localDate = new Date(localFile.lastModified());if (netDate.after(localDate)) {new Thread(new Runnable() {public void run() {try {Dialog frameUpdate = new UpdateFrame();frameUpdate.setVisible(true);Thread.sleep(2000);FileInputStream fis = new FileInputStream(netFile);FileOutputStream fout = new FileOutputStream(localFile);int len = fis.available();if (len > 0) {byte[] data = new byte[len];if (fis.read(data) > 0) {fout.write(data);}}fis.close();fout.close();frameUpdate.setVisible(false);frameUpdate = null;showMessageDialog("更新完毕，请重新启动程序。");} catch (Exception e) {e.printStackTrace();}}}).start();} else {showMessageDialog("已经是最新的程序了。");}}}//----------------------------------------------------------------------------------private void checkPlacard() { // 检测公告信息方法String placardDir = preferences.get("placardPath", null);if (placardDir == null) {pushMessage("未设置公告路径");return;}File placard = new File(placardDir);try {if (placard.exists() && placard.isFile()) {StringBuilder placardStr = new StringBuilder();Scanner sc = new Scanner(new FileInputStream(placard));while (sc.hasNextLine()) {placardStr.append(sc.nextLine());}pushMessage(placardStr.toString());}} catch (FileNotFoundException e) {pushMessage("公告路径错误，或公告文件不存在");}}//----------------------------------------------------------------------------------public void setStatic(String str){// 设置状态栏信息if(stateLabel != null){stateLabel.setText(str);}}public void pushMessage(String info){// 堆压信息if(!messageStack.contains(info)){messageStack.push(info);}}private void showMessageDialog(String message){JOptionPane.showMessageDialog(this, message);}//----------------------------------------------------------------------------------private String showInputDialog(String str){// 显示输入对话框String newName = JOptionPane.showInputDialog(this,"<html>输入<font color=red>" + str + "</font>的新名字</html>");return newName;}private class accessFolderActionListener implements ActionListener {// 访问资源public void actionPerformed(final ActionEvent e) {TreePath path = chatTree.getSelectionPath();if (path == null)return;DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();User user = (User) node.getUserObject();String ip = "\\\\"+user.getIp();String command = e.getActionCommand();if (command.equals("computer")) {Resource.startFolder(ip);}if (command.equals("public")) {String serverPaeh = preferences.get("pubPath", null);if (serverPaeh == null) {pushMessage("未设置公共程序路径");return;}Resource.startFolder(serverPaeh);}}}private class RenameActionListener implements ActionListener {// 更名public void actionPerformed(final ActionEvent e) {TreePath path = chatTree.getSelectionPath();if (path == null)return;DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();User user = (User) node.getUserObject();String newName = showInputDialog(user.getName());if (newName != null && !newName.isEmpty()) {user.setName(newName);dao.updateUser(user);DefaultTreeModel model = (DefaultTreeModel) chatTree.getModel();model.reload();chatTree.setSelectionPath(path);initUserInfoButton();}}}private class FrameWindowListener extends WindowAdapter {public void windowClosing(final WindowEvent e) {// 系统关闭事件setVisible(false);}}private class AddUserActionListener implements ActionListener {public void actionPerformed(final ActionEvent e) {// 添加用户String ip = JOptionPane.showInputDialog(EQ.this, "输入新用户IP地址");if (ip != null)chatTree.addUser(ip, "add");}}private class delUserActionListener implements ActionListener {public void actionPerformed(final ActionEvent e) {// 删除用户chatTree.delUser();}}private class messagerGroupSendActionListener implements ActionListener {// 信使群发public void actionPerformed(final ActionEvent e) {String message = JOptionPane.showInputDialog(EQ.this, "请输入群发信息","信使群发", JOptionPane.INFORMATION_MESSAGE);if (message != null && !message.equals("")) {TreePath[] selectionPaths = chatTree.getSelectionPaths();Resource.sendGroupMessenger(selectionPaths, message);} else if (message != null && message.isEmpty()) {JOptionPane.showMessageDialog(EQ.this, "不能发送空信息！");}}}private void SystemTrayInitial() { // 系统栏初始化if (!SystemTray.isSupported()) // 判断当前系统是否支持系统栏return;try {String title = "TT";String company = "成都市同道科技有限公司";SystemTray sysTray = SystemTray.getSystemTray();Image image = Toolkit.getDefaultToolkit().getImage(EQ.class.getResource("/icons/sysTray.png"));// 系统栏图标trayicon = new TrayIcon(image, title + "\n" + company, createMenu());trayicon.setImageAutoSize(true);trayicon.addActionListener(new SysTrayActionListener());sysTray.add(trayicon);trayicon.displayMessage(title, company, MessageType.INFO);} catch (Exception e) {e.printStackTrace();}}private PopupMenu createMenu() { // 创建系统栏菜单的方法PopupMenu menu = new PopupMenu();MenuItem exitItem = new MenuItem("退出");exitItem.addActionListener(new ActionListener() { // 系统栏退出事件public void actionPerformed(ActionEvent e) {System.exit(0);}});MenuItem openItem = new MenuItem("打开");openItem.addActionListener(new ActionListener() {// 系统栏打开菜单项事件public void actionPerformed(ActionEvent e) {if (!isVisible()) {setVisible(true);toFront();} elsetoFront();}});// 系统栏的访问服务器菜单项事件MenuItem publicItem = new MenuItem("访问服务器");publicItem.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {String serverPaeh = preferences.get("pubPath", null);if (serverPaeh == null) {pushMessage("未设置公共程序路径");return;}Resource.startFolder(serverPaeh);}});menu.add(publicItem);menu.add(openItem);menu.addSeparator();menu.add(exitItem);return menu;}class SysTrayActionListener implements ActionListener {// 系统栏双击事件public void actionPerformed(ActionEvent e) {setVisible(true);toFront();}}
}