java聊天室源代码 第4页
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

import java.io.*;
import java.net.*;

/*
 * 服务端的侦听类
 */
www.751com.cn
 UserLinkList userLinkList;//用户链表
 
 Node client;
 ServerReceive recvThread;
 
 public boolean isStop;

 /*
  * 聊天服务端的用户上线于下线侦听类
  */
 public ServerListen(ServerSocket server,JComboBox combobox,
  JTextArea textarea,JTextField textfield,UserLinkList userLinkList){

  this.server = server;
  this.combobox = combobox;
  this.textarea = textarea;
  this.textfield = textfield;
  this.userLinkList = userLinkList;
  
  isStop = false;
 }
 
 public void run(){
  while(!isStop && !server.isClosed()){
   try{
    client = new Node();
    client.socket = server.accept();
    client.output = new ObjectOutputStream(client.socket.getOutputStream());
    client.output.flush();
    client.input  = new ObjectInputStream(client.socket.getInputStream());
    client.username = (String)client.input.readObject();
    
    //显示提示信息
    combobox.addItem(client.username);
    userLinkList.addUser(client);
    textarea.append("用户 " + client.username + " 上线" + "\n");
    textfield.setText("在线用户" + userLinkList.getCount() + "人\n");
    
    recvThread = new ServerReceive(textarea,textfield,
     combobox,client,userLinkList);
    recvThread.start();
   }
   catch(Exception e){
   }
  }
 }
}"

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