通信系统java

java+swing编写的企业内部通信系统。功能类似于飞秋，用到数据库javaDB

package com.lzw;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.frame;
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.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyChangeEvent;
import java.beans.VetoableChangeListener;
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.DefaultComboBoxModel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
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.EmptyBorder;
import javax.swing.border.titledBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.text.InternationalFormatter;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;

import com.lzw.dao.Dao;
import com.lzw.frame.Telframe;
import com.lzw.system.Resource;
import com.lzw.userList.ChatTree;
import com.lzw.userList.User;

public class EQ extends Dialog {
	private JTextField ipEndTField;
	private JTextField ipStartTField;
	private JTextField userNameTField;
	private JPasswordField passwordTField;
	private JTextField placardPathTField;
	private JTextField updatePathTField;
	private JTextField pubPathTField;
	public static EQ frame = null;
	private ChatTree ch

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-11-15 13:43  02\
     目录           0  2012-11-15 13:43  02\EQ\
     文件         326  2008-01-04 11:21  02\EQ\.classpath
     文件          90  2008-01-09 11:08  02\EQ\.models
     文件         498  2007-12-04 09:54  02\EQ\.project
     目录           0  2012-11-15 13:43  02\EQ\.settings\
     文件          99  2007-12-04 09:54  02\EQ\.settings\org.eclipse.jdt.ui.prefs
     目录           0  2012-11-15 13:43  02\EQ\res\
     目录           0  2012-11-15 13:43  02\EQ\res\icons\
     文件        4503  2007-12-26 11:06  02\EQ\res\icons\sysTray.png
     目录           0  2012-11-15 13:43  02\EQ\res\image\
     目录           0  2012-11-15 13:43  02\EQ\res\image\chexkBoxImg\
     文件         676  2007-12-04 09:54  02\EQ\res\image\chexkBoxImg\CheckBoxFalse.png
     文件        1026  2007-12-04 09:54  02\EQ\res\image\chexkBoxImg\CheckBoxTrue.png
     文件         256  2007-12-26 11:37  02\EQ\res\image\messageAlert.gif
     文件          58  2007-12-04 09:54  02\EQ\res\image\messageAlertNull20.gif
     目录           0  2012-11-15 13:43  02\EQ\res\image\tabIcon\
     文件        3727  2007-12-13 16:23  02\EQ\res\image\tabIcon\tabLeft.PNG
     文件        3161  2007-12-13 16:22  02\EQ\res\image\tabIcon\tabLeft2.PNG
     文件        3729  2007-12-13 16:23  02\EQ\res\image\tabIcon\tabLeft3.png
     目录           0  2012-11-15 13:43  02\EQ\res\image\telframeImage\
     文件       20318  2007-12-26 14:28  02\EQ\res\image\telframeImage\telUserImage.png
     文件        2852  2007-12-26 14:30  02\EQ\res\image\telframeImage\telUserInfo.png
     目录           0  2012-11-15 13:43  02\EQ\res\image\telframeImage\toolbarImage\
     文件         988  2007-12-26 10:41  02\EQ\res\image\telframeImage\toolbarImage\ToolbarFace.png
     文件         409  2007-12-26 10:41  02\EQ\res\image\telframeImage\toolbarImage\ToolbarFont.png
     文件         816  2007-12-26 10:42  02\EQ\res\image\telframeImage\toolbarImage\ToolbarPicture.png
     文件        1007  2007-12-26 10:42  02\EQ\res\image\telframeImage\toolbarImage\ToolbarScene.png
     目录           0  2012-11-15 13:43  02\EQ\res\messSendIcon\
     文件         590  2007-12-04 09:54  02\EQ\res\messSendIcon\Fail.gif
     文件        1026  2007-12-04 09:54  02\EQ\res\messSendIcon\Success.gif
............此处省略29个文件信息