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;