EncryptChatRoom--java加密聊天室

import java.awt.BorderLayout; import java.awt.Color; import java.awt.EventQueue; import java.awt.Font; import java.awt.Image; import java.awt.SystemColor; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.*; import java.net.*; import java.security.Key; import java.text.SimpleDateFormat; import java.util.Date; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.DefaultListModel; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import Encrypt.Encrypt; public class ChatClient extends JFrame { //消息类型 public static int USER_CHAT = 1;//用户聊天信息标识 public static int USER_LOGIN = 2;//用户登陆信息标识 public static int USER_OFFLINE = 3;//用户下线信息标识 public static int USER_WHISPER = 4; public static JCheckBox whisperCheckBox = new JCheckBox(); public static JCheckBox decryptionCheckBox = new JCheckBox(); public static JLabel label = new JLabel();//如果没选ComBox就私聊，提示信息的标签 public static JLabel labelCount = new JLabel();//显示在线人数的标签 public static JList list; public static JTextArea textArea; public static JTextField textField; public static JTextField keyField; public static Image imageIcon; public static ObjectOutputStream oos = null; public static ObjectInputStream ois = null; public static Socket s = null; public static String nickName; public static DefaultListModel model; public static String pre = ""; /* * send方法用来发送客户昵称 */ public void send() { Message m = new Message(nickName,null, USER_LOGIN,null); try { oos.writeObject(m); oos.flush(); } catch (IOException e) { e.printStackTrace(); } } public void receive() {//接受线程 new Thread(new ReceiveThread()).start(); } public ChatClient(final String nickName) { super(); getContentPane().setForeground(new Color(128, 0, 0)); setResizable(false); imageIcon =Toolkit.getDefaultToolkit().getImage("laugh1.jpg");//设置标题图片 setIconImage(imageIcon); getContentPane().setLayout(null); setTitle(nickName+":欢迎来到聊天室!"); setBounds(100, 100, 566, 570); //setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.nickName = nickName; textField = new JTextField(); textField.setBounds(0, 500, 419, 35); textField.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { sendMsg(); } }); final JLabel keyLabel = new JLabel(); keyLabel.setForeground(new Color(128, 128, 0)); keyLabel.setText("输入密钥:"); keyLabel.setBounds(0, 447, 60, 25); getContentPane().add(keyLabel); keyField = new JTextField(); keyField.setText("123456789"); keyField.setBounds(60, 447, 210, 25); getContentPane().add(keyField); addWindowListener(new WindowAdapter() {//用户关闭窗口退出，给服务器发退出消息 public void windowClosing(WindowEvent e) { Message m = new Message(nickName,null, USER_OFFLINE, null); try { oos.writeObject(m); oos.flush(); } catch (IOException e1) { e1.printStackTrace(); } setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }); getContentPane().add(textField); connect(); final JScrollPane scrollPane = new JScrollPane(); scrollPane.setBounds(0, 0, 419, 441); getContentPane().add(scrollPane); textArea = new JTextArea(); textArea.setForeground(new Color(0, 0, 255)); textArea.setFont(new Font("", Font.BOLD, 14)); //textArea.setBackground(new Color(245, 222, 179)); textArea.setLineWrap(true); scrollPane.setViewportView(textArea); textArea.setWrapStyleWord(true); textArea.setEditable(false); final JButton clearTextButton = new JButton(); final JButton sendTextButton = new JButton(); clearTextButton.addActionListener(new ActionListener() {//清除按钮动作 public void actionPerformed(final ActionEvent arg0) { textArea.setText(""); } }); clearTextButton.setText("清空消息框"); clearTextButton.setBounds(425, 415, 125, 22); getContentPane().add(clearTextButton); list = new JList(); list.addListSelectionListener(new ListSelectionListener() { public void valueChanged(final ListSelectionEvent arg0) { label.setText(""); label.setVisible(true); } }); list.setBackground(Color.LIGHT_GRAY); list.addMouseListener(new MouseAdapter() { public void mouseClicked(final MouseEvent arg0) { pre = (String)list.getSelectedValue(); } }); list.setBounds(425, 61, 125, 325); getContentPane().add(list); final JLabel friendsListLabel = new JLabel(); friendsListLabel.setForeground(new Color(128, 0, 0)); friendsListLabel.setFont(new Font("", Font.BOLD, 14)); friendsListLabel.setText("在线用户"); friendsListLabel.setBounds(447, 10, 83, 22); getContentPane().add(friendsListLabel); final JLabel pressEnterToLabel = new JLabel(); pressEnterToLabel.setForeground(new Color(128, 128, 0)); pressEnterToLabel.setText("you can Press Enter to send"); pressEnterToLabel.setBounds(0, 480, 210, 18); getContentPane().add(pressEnterToLabel); whisperCheckBox.setText("与他私聊"); whisperCheckBox.setBounds(425, 390, 125, 21); getContentPane().add(whisperCheckBox); decryptionCheckBox.setText("显示明文"); decryptionCheckBox.setBounds(330, 447, 125, 21); getContentPane().add(decryptionCheckBox); sendTextButton.setText("发送"); sendTextButton.setBounds(425, 500, 90, 35); getContentPane().add(sendTextButton); sendTextButton.addActionListener(new ActionListener() {//发送消息按钮动作 public void actionPerformed(final ActionEvent arg0) { sendMsg(); } }); label.setBounds(180, 480, 261, 18); label.setForeground(new Color(255, 0, 0)); getContentPane().add(label); final JLabel label_1 = new JLabel(); label_1.setForeground(new Color(128, 0, 0)); label_1.setText("("); label_1.setBounds(498, 38, 4, 18); getContentPane().add(label_1); final JLabel label_1_1 = new JLabel(); label_1_1.setForeground(new Color(128, 0, 0)); label_1_1.setText(")"); label_1_1.setBounds(526, 38, 4, 18); getContentPane().add(label_1_1); labelCount.setBounds(508, 38, 12, 18); labelCount.setForeground(new Color(128, 0, 0)); getContentPane().add(labelCount); final JLabel countLabel = new JLabel(); countLabel.setForeground(new Color(128, 0, 0)); countLabel.setText("用户数:"); countLabel.setBounds(426, 38, 66, 18); getContentPane().add(countLabel); model=new DefaultListModel(); model.addElement("Everyone"); } /* * 连接服务端 */ public void connect() { try { s = new Socket("127.0.0.1", 6666); oos = new ObjectOutputStream(s.getOutputStream()); ois = new ObjectInputStream(s.getInputStream()); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } public static void sendMsg(){ int flag = 1;//用于标示pre（选中的用户昵称）是否为Everyone或者他自己或者空字符串，如果是Everyone,则不予以发送 String s; Encrypt encrypt=new Encrypt(); String key=keyField.getText(); if(!whisperCheckBox.isSelected()) {//如果公聊，发送USER_CHAT信息 label.setText(""); try { Message m = null ; if(!pre.equals("")) {//如果在列表中选了用户 if(pre.equals(nickName)) {//如果在列表中选的用户是自己，则不予以发送 flag = 0; label.setText("不能自己跟自己聊天!"); label.setVisible(true); } Stri