QQ聊天程序Java源码

package my_QQ.com; import java.awt.AWTEvent; import java.awt.Color; import java.awt.Font; import java.awt.List; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.WindowEvent; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; import java.net.MulticastSocket; import java.net.ServerSocket; import java.net.Socket; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; import java.util.Date; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.KeyGenerator; import javax.crypto.NoSuchPaddingException; import javax.crypto.SecretKey; import javax.crypto.spec.SecretKeySpec; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.UIManager; public class My_QQ extends JFrame{ /** * @author ggg * @version 1.0 */ private static final long serialVersionUID = 1L; JPanel contentPane; JTextField textInput = new JTextField(); JButton btnSend = new JButton(); JButton btnConnect = new JButton(); List lstMessage = new List(); List lstFriend = new List(); JLabel name = new JLabel(); JLabel Top = new JLabel(); JLabel version = new JLabel(); UserInfo [] userInfo = new UserInfo[90];//新建UserInfo数组类保存用户信息 ServerSocket listernSocket; public final static int DEFAULT_PORT = 8321; public final static int CATCH_PORT = 7321; public final static int TCP_PORT = 6321; DatagramSocket socket = null; InetAddress group; InetAddress groupC; DatagramPacket packet; DatagramSocket s = null; MulticastSocket socketR; MulticastSocket socketC; Socket Csocket; QQ_listerner QQ_listern; TCP_connect tfp_connect; CATCHER catcher; Check_in login; String nickname = new String("11111111111"); public byte [] nameTags; public My_QQ()//构造函数 { while (nickname.length()>9||nickname.length()==0) { nickname = JOptionPane.showInputDialog(name, "请输入昵称", "登录", 3); if(nickname.length()>9) { nickname = JOptionPane.showInputDialog(name, "长度应该小于10", "非法昵称", JOptionPane.ERROR_MESSAGE); } if(nickname.length()==0) { nickname = JOptionPane.showInputDialog(name, "长度应该大于0", "非法昵称", JOptionPane.ERROR_MESSAGE); } } enableEvents(AWTEvent.WINDOW_EVENT_MASK); My_QQ_JoinGroup();//首先初始化端口，并向已经在线的QQ程序发送本机IP及请求回应，并对相应的组播端口进行监听； try { jbInit();//初始化frame端口，并对相应的控件添加事件响应 }catch(Exception e) { e.printStackTrace(); } this.setLocation(300, 200); My_QQ_Listerner();//对组内公共聊天的组播组端口进行监听 TCP_Listerner();//对TCP端口进行监听 } protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if(e.getID()==WindowEvent.WINDOW_CLOSING) { try { //退出时发送退出登录的信息的组播数据包，其包的内容的起始位为判断位，”D“表示该包为告知下线的信息包 byte [] notice = new String("D"+nickname+InetAddress.getLocalHost().getHostAddress()+nickname.length()).getBytes(); packet = new DatagramPacket(notice,notice.length,groupC,CATCH_PORT); socket.send(packet); }catch(IOException ee) { ee.printStackTrace(); } socket.close(); System.exit(0); } } private void jbInit() {//初始化应用程序窗口 // TODO Auto-generated method stub version.setText("1.0"); version.setBounds(420, 5, 50, 30); textInput.setText(""); textInput.setBounds(80, 140, 140, 30); textInput.addKeyListener(new KeyAdapter(){//添加按键事件响应，输入文本并按下回车后将发送消息 public void keyPressed(KeyEvent keyEvent){ //if(keyEvent.getKeyChar()=='\n') if(keyEvent.isControlDown()&& keyEvent.getKeyCode() == 10) { try { Date date = new Date(); String origin_data = nickname+":("+date+")"+textInput.getText(); String en_data = encrypttoStr(origin_data,"lifaxin"); byte [] dataS = (en_data).getBytes(); packet = new DatagramPacket(dataS,dataS.length,group,DEFAULT_PORT);//打包 socket.send(packet);//发送 textInput.setText("");//发送后将输入框内容清除 }catch(Exception e1) { System.out.println("error:"+e1); } } } }); contentPane = (JPanel)this.getContentPane(); contentPane.setLayout(null); name = new JLabel(nickname+":"); name.setBounds(new Rectangle(20,140,50,30)); this.setSize(480, 210); this.setTitle("My_QQ"); Icon sendIcon = new ImageIcon("image\\BTSend.gif"); Icon BG = new ImageIcon("image\\BackGround1.gif"); Icon TCPIcon = new ImageIcon("image\\BTConnect.gif"); Top.setIcon(BG); Top.setBounds(0, 0, 480, 183); btnSend.setIcon(sendIcon); btnSend.setBounds(230, 141, 89, 32); btnSend.setBackground(Color.WHITE); btnSend.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub btnSend_actionPerformed(e); } }); btnConnect.setIcon(TCPIcon); btnConnect.setBounds(new Rectangle(355,140,89,32)); btnConnect.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub btnConnect_actionPerformed(e); } }); lstMessage.setBounds(new Rectangle(20,35,300,100)); lstFriend.setBounds(new Rectangle(340,35,120,100)); lstFriend.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub lstFriend_actionPerformed(e); } }); contentPane.add(textInput, null); contentPane.add(btnSend, null); contentPane.add(btnConnect, null); contentPane.add(lstFriend, null); contentPane.add(lstMessage, null); contentPane.add(name, null); contentPane.add(version, null); contentPane.setBackground(Color.WHITE); contentPane.add(Top, null); this.setResizable(false); } public static void main(String [] arg)//主函数，程序入口 { Font f = new Font("宋体",Font.PLAIN,12); UIManager.put("Label.font",f); UIManager.put("Label.foreground",Color.black); UIManager.put("Button.font",f); UIManager.put("Menu.font",f); UIManager.put("MenuItem.font",f); UIManager.put("List.font",f); UIManager.put("CheckBox.font",f); UIManager.put("RadioButton.font",f); UIManager.put("ComboBox.font",f); UIManager.put("TextArea.font",f); UIManager.put("EditorPane.font",f); UIManager.put("ScrollPane.font",f); UIManager.put("ToolTip.font",f); UIManager.put("TextField.font",f); UIManager.put("TableHeader.font",f); UIManager.put("Table.font",f); UIManager.put("JPnel.font", f); My_QQ qq = new My_QQ(); qq.setVisible(true); } public void processMsg(String str)//该方法为将字符串str显示到对话列表框中 { String utfCadena = null; try { utfCadena = new String (str.getBytes("GBK"),"UTF-8"); } catch (UnsupportedEncodingException e) { // TODO A