基于JAVA的网络通讯系统设计与实现（系统）

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 chatTree; private JPopupMenu popupMenu; private JTabbedPane tabbedPane; private JToggleButton searchUserButton; private JProgressBar progressBar; private JList faceList; private JButton selectInterfaceOKButton; private DatagramSocket ss; 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; private ImageIcon messageAlertIcon; private ImageIcon messageAlertNullIcon; private Rectangle location; public static TrayIcon trayicon; private Dao dao; 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 Frame()); frame = this; dao = Dao.getDao(); location = dao.getLocation(); setTitle("EQ通讯"); setBounds(location); progressBar = new JProgressBar(); 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 addWindowListener(new FrameWindowListener());// 添加窗体监视器 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); final JPanel BannerPanel = new JPanel(); BannerPanel.setLayout(new BorderLayout()); add(BannerPanel, BorderLayout.NORTH); userInfoButton = new JButton(); BannerPanel.add(userInfoButton, BorderLayout.WEST); userInfoButton.setMargin(new Insets(0, 0, 0, 10)); initUserInfoButton();// 初始化本地用户头像按钮 BannerPanel.add(messageAlertButton, BorderLayout.CENTER); messageAlertButton.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { if (!messageStack.empty()) { showMessageDialog(messageStack.pop()); } } }); messageAlertButton.setIcon(messageAlertIcon); showMessageBar(); } add(tabbedPane, BorderLayout.CENTER); tabbedPane.setTabPlacement(SwingConstants.LEFT); 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"); setAlwaysOnTop(true); } private JScrollPane createSysSetPanel() { 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")); 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 JTex