Java_QQ_源程序代码.doc

2010-06-23 20:24:11 TiBackimport .*;import java.io.*;import java.sql.*;import java.util.*;public class QQServer public static void main(String args) try /用户名同步(14)HashMap hm = new HashMap() ;/ 服务器在8000端口监听(1)ServerSocket ss = new ServerSocket(8000);while (true) System.out.println(服务器正在8000端口监听.);Socket s = ss.accept();MyService t = new MyService();t.setSocket(s);t.setHashMap(hm) ;t.start(); catch (Exception e) / 支持多用户登陆(13)class MyService extends Thread private Socket s;private HashMap hm ;public void setHashMap(HashMap hm) this.hm = hm ;public void setSocket(Socket s) this.s = s;public void run() try / 接收客户端发送来的用户名和密码(2)InputStream is = s.getInputStream();InputStreamReader isr = new InputStreamReader(is);BufferedReader br = new BufferedReader(isr);String uandp = br.readLine();/ 拆分(4)String u = uandp.split(%)0;String p = uandp.split(%)1;/ 到数据库中验证(5)Class.forName(com.microsoft.sqlserver.jdbc.SQLServerDriver);Connection cn = DriverManager.getConnection(jdbc:sqlserver:/:1433;databasename=wy, sa,123);PreparedStatement ps = cn.prepareStatement(select * from username where username=? and password=?);ps.setString(1, u);ps.setString(2, p);ResultSet rs = ps.executeQuery();/ 发送确认信息回客户端(7)OutputStream os = s.getOutputStream();OutputStreamWriter osw = new OutputStreamWriter(os);PrintWriter pw = new PrintWriter(osw, true);if (rs.next() pw.println(ok);Thread.sleep(10) ;/将自己的名字发送给其他人(17)for(Socket ts : hm.values()OutputStream tos = ts.getOutputStream() ;OutputStreamWriter tosw = new OutputStreamWriter(tos) ;PrintWriter tpw = new PrintWriter(tosw , true) ;tpw.println(user%+u) ;/将其他人的名字发送给自己(18)for(String tu : hm.keySet()pw.println(user%+tu) ;/将用户名和Socket存入HashMap(15)hm.put(u, s) ;/ 接收客户端发送来的信息(11)while (true) String message = br.readLine();/判断是否退出if(message.equals(exit)for(Socket ts : hm.values()OutputStream tos = ts.getOutputStream() ;OutputStreamWriter tosw = new OutputStreamWriter(tos) ;PrintWriter tpw = new PrintWriter(tosw , true) ;tpw.println(exit%+u) ;hm.remove(u) ;return ;String to = message.split(%)0 ;String mess = message.split(%)1 ;Socket ts = hm.get(to) ;OutputStream tos = ts.getOutputStream() ;OutputStreamWriter tosw = new OutputStreamWriter(tos) ;PrintWriter tpw = new PrintWriter(tosw , true) ;tpw.println(mess%+mess) ; else pw.println(err); catch (Exception e) 2010-06-23 20:24:37 TiBackimport java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import .*;import java.io.*;import javax.swing.*;public class QQLogin extends JFrame implements ActionListener JTextField txtUser = new JTextField();JPasswordField txtPass = new JPasswordField();public QQLogin() / 设置窗体属性this.setSize(250, 125);this.setTitle(QQ登陆);this.setResizable(false);/ new一大堆组件JLabel labUser = new JLabel(用户名);JLabel labPass = new JLabel(密码);JButton btnLogin = new JButton(登陆);JButton btnReg = new JButton(注册);JButton btnCancel = new JButton(取消);/ 注册事件btnLogin.addActionListener(this);btnReg.addActionListener(this);btnCancel.addActionListener(this);/ 布置输入面板JPanel panInput = new JPanel();panInput.setLayout(new GridLayout(2, 2);panInput.add(labUser);panInput.add(txtUser);panInput.add(labPass);panInput.add(txtPass);/ 布置按钮面板JPanel panButton = new JPanel();panButton.setLayout(new FlowLayout();panButton.add(btnLogin);panButton.add(btnReg);panButton.add(btnCancel);/ 布置窗体this.setLayout(new BorderLayout();this.add(panInput, BorderLayout.CENTER);this.add(panButton, BorderLayout.SOUTH);public static void main(String args) JFrame.setDefaultLookAndFeelDecorated(true);QQLogin w = new QQLogin();w.setVisible(true);Overridepublic void actionPerformed(ActionEvent e) if (e.getActionCommand().equals(登陆) String u = txtUser.getText();String p = txtPass.getText();try/将用户名和密码发送到服务器(3)Socket s = new Socket(,8000) ;OutputStream os = s.getOutputStream() ;OutputStreamWriter osw = new OutputStreamWriter(os) ;PrintWriter pw = new PrintWriter(osw , true) ;pw.println(u+%+p) ;/接收服务器发送回来的确认信息(6)InputStream is = s.getInputStream() ;InputStreamReader isr = new InputStreamReader(is) ;BufferedReader br = new BufferedReader(isr) ;String yorn = br.readLine() ;/显示主窗体(8)if(yorn.equals(ok)QQMain w = new QQMa