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三峽大學內的同學可以到http://FTP.ctgu.edu.cn/soft/down.php?act=up&id=2800下載
/*
 * date: 2004-11-29 author：zhangyu6050;
 * email:   dazuibazhangyu@eyou.com
 *           ctgu  (china three groges university)
 * todo: 服務器主程序
 * bugs:
 */
import util.DateUtil;
import java.net.*;
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.*;

import javax.swing.*;
import java.applet.*;
import java.util.*;
public class ChatServer {
    PRivate int port = 1775;      //端口號
    private ServerSocket serverS; //服務器套節字
    public static Broadcast broad;//通訊專用類,單態模式設計
    private JTextArea display;
 
    /**
  *初始化
  */
 public ChatServer() {
  setupGui();
  runServer();
    }
 public void runServer(){
  try {
   serverS=new ServerSocket(port);
  } catch (IOException e2) {
   
    showMSg("在指定端口無法監聽"+e2.getMessage());
  }
  
  try {
   broad= Broadcast.getInstence();//做好預備
            while(true)
            {
             showMSg("等待接入......");
                Socket socket = serverS.accept();
                //記錄登錄時間
                String s = DateUtil.format(Calendar.getInstance(),DateUtil.ymdhms)+"/r";
                showMSg("接入時間:"+s);
                //實例化一個代理
                Angent angent = new Angent(socket);
                //實例化一個服務線程