Java_CS.rar_ java cs_java CS_java c++_即时聊天

import java.io.*; import java.net.*; import java.sql.*; import java.util.Hashtable; import java.util.Set; import java.util.Vector; import java.util.LinkedList; import java.util.HashSet; import java.util.Iterator; import javax.swing.Timer; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; /**********************Server中与数据库通信的方法*********************************************/ //public Server() //public void DBUpdate() //public void DBInsert(UserInfo userinfo) //public void DBInsert(PublicMessage pubmsg) /**********************Server中与数据库通信的方法*********************************************/ public class Server implements Runnable{ // private ServerLoginDiag SLoginDiag; private String SerAdminPassword; //保存服务器端用户密码 private String AdminName; //保存服务器端用户名 private Hashtable AllUsers; //所有用户 UserInfo private Hashtable CSThreads; //在线用户 private HashSet AllUserskeys; //登陆时会用到 private HashSet CSThreadskeys; //交给SwitchThread使用 private SwitchThread switchthread; private File ServerInfo; private DataOutputStream ToFile; private UserInfo yourself; //临时存放当前登录者信息 private ServerThread serverthread; //临时存放当前登录者信息 private Timer UPDateTimer; private static int CurConNum=0; //队列 private Vector PublicMessagelist; private LinkedList Messagelist; private ServerSocket welcome; private Socket Csocket; //流 private ObjectOutputStream StreamOut; private ObjectInputStream StreamIn; //服务器端主界面 private ServerFrame serverframe; //数据库相关 private Statement UserStatement,MsgStatement,PubMsgStatement,ServerLogStatement; private Connection conDataBase; private ResultSet UserDatas,MsgDatas,PubMsgDatas,ServerLogDatas; public Server(){ AllUsers=new Hashtable(); //所有用户 CSThreads=new Hashtable(); //在线用户 AllUserskeys=new HashSet(AllUsers.keySet()); //登陆时会用到 //AllUserskeys=new HashSet(AllUsers.entrySet()); CSThreadskeys=new HashSet(CSThreads.keySet()); //交给SwitchThread使用 //CSThreadskeys=new HashSet(CSThreads.entrySet()); //队列 PublicMessagelist=new Vector(); Messagelist=new LinkedList(); try{ //加载数据库驱动程序 /**************************MYSQL**********************************************************/ // Class.forName("org.gjt.mm.mysql.Driver");//.newInstance();//throws ClassNotFoundException // Class.forName("com.mysql.jdbc.Driver");//.newInstance(); // System.out.println("驱动加载成功"); // /*public static Connection getConnection(String url) throws SQLException*/ // String url="jdbc:mysql://localhost:3306/Com?user=root&password=root & useUnicode=true & characterEncoding=gb2312/"; // Com数据库的名称 // user=root 访问数据库的用户名 // password=root 访问数据库的密码 // gb2312 使用的字符集 // // conDataBase =DriverManager.getConnection(url); // System.out.println("数据库连接成功"); /**************************MYSQL**********************************************************/ /**************************MS Access**********************************************************/ // Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); // System.out.println("驱动加载成功"); // //String url="jdbc:odbc:Driver={Microsoft Access Driver(*.mdb)};DBQ="+application.getRealPath("."+File.separator+"Communication.mdb"); // String url="jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=."+File.separator+"Communication.mdb"; // //上述url中的Driver和(*.mdb)之间空格有且只能有一个 // //sun.jdbc.odbc.JdbcOdbcDriver驱动程序类名 // //DBQ=."+File.separator+"Communication.mdb"数据库文件 // conDataBase=DriverManager.getConnection(url,"root","root"); // System.out.println("数据库连接成功"); /**************************MS Access**********************************************************/ /**************************SQL Server 2000**********************************************************/ //Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance(); Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); System.out.println("驱动加载成功"); String url="jdbc:odbc:JavaCom"; //conDataBase=DriverManager.getConnection("jdbc:microsoft:sqlserver://NUSTCS608\\NUSTSQLSERVER:1433;DatabaseName=JavaCommunication","sa",""); //conDataBase=DriverManager.getConnection("jdbc:odbc:JavaCom","sa",""); conDataBase=DriverManager.getConnection(url,"sa",""); System.out.println("数据库连接成功"); /**************************SQL Server 2000**********************************************************/ //******************************读数据库用到的变量********************************************* String RegName,UserName,Password,IpAddr,Port,Job,Sex,EMail,Tel; String lastDate,PubMsg,SendrName,PubMsgID; String fromName,toName,msg; UserStatement=conDataBase.createStatement(); PubMsgStatement=conDataBase.createStatement(); MsgStatement=conDataBase.createStatement(); ServerLogStatement=conDataBase.createStatement(); UserDatas=UserStatement.executeQuery("select * from UserInfo");//读取数据库中表userinfo用户信息 while(UserDatas.next()){ System.out.println("UserInfo 已经读出"); RegName=UserDatas.getString("RegName"); UserName=UserDatas.getString("UserName"); Password=UserDatas.getString("Password"); Sex=UserDatas.getString("Sex"); Job=UserDatas.getString("Job"); IpAddr=UserDatas.getString("IpAddr"); Port=UserDatas.getString("Port"); lastDate=UserDatas.getString("lastDate"); //UserName=CharConvert.GB2312toUnicode(UserName);//转换成正确的中文字符 //Job=CharConvert.GB2312toUnicode(Job);//转换成正确的中文字符 //EMail=UserDatas.getString("EMail"); //Tel=UserDatas.getString("Tel"); if(RegName.equals("admin")){ SerAdminPassword=Password; AdminName=RegName; continue; } yourself=new UserInfo(RegName,UserName,Password,lastDate,IpAddr,Integer.parseInt(Port)); yourself.setStrSex(Sex); yourself.setJob(Job); //yourself.setJob(EMail); //yourself.setJob(Tel); AllUsers.put(yourself.getRegName(),yourself); System.out.println(RegName+" "+UserName +" "+Password+" "+IpAddr +" "+Port+" "+Job +" "+Sex+" "+lastDate); } PubMsgDatas=PubMsgStatement.executeQuery("select * from PublicMessage");//读取数据库中表userinfo用户信息 System.out.println("公告已经读出"); while(PubMsgDatas.next()){ PubMsg=PubMsgDatas.getString("PubMsg"); PubMsg=CharConvert.GB2312toUnicode(PubMsg);//转换成正确的中文字符 SendrName=PubMsgDatas.getString("SenderName"); lastDate=PubMsgDatas.getString("lastDate"); PublicMessagelist.add(new PublicMessage(PubMsg,lastDate,SendrName)); System.out.println(PubMsg+" "+SendrName+" "+lastDate); } MsgDatas=MsgStatement.executeQuery("select * from Message");//读取数据库中表userinfo用户信息 System.out.println("留言已经读出"); while(MsgDatas.next()){ fromName=MsgDatas.getString("fromName"); toName=MsgDatas.getString("toName"); msg=MsgDatas.getString("msg"); msg=CharConvert.GB2312toUnicode(msg);//转换成正确的中文字符 lastDate=MsgDatas.getString("lastDate"); Messagelist.add(new Message(fromName,toName,msg,lastDate)); System.out.println(fromName+" "+toName+" "+msg+" "+lastDate); } /**************************MS Access**********************************************************/ //监听3000号端口 welcome=new ServerSocket(3000); //将服务器所在IP和Port写入文件，方便客户端使用 ServerInfo=new File("."+File.separator+"SerIPort.dat"); ToFile=new DataOutputStream(new FileOutputStream(ServerInfo));//会自动删除原来的文件新建一个同名文件 ToFile.write((getIPAddr()+":" +Integer.toString(welcome.getLocalPort())).getBytes()); ToFile.close(); //服务器端主界面 serverframe=new ServerFrame(this);