chessserver.java

运用JAVA开发环境制作的简易五子棋 很好的一个JAVA 原代码

            if(peerTalk.equals((String)clientNameHash.get(userClient)) && !peerTalk.equals((String)clientNameHash.get(clientSocket)))
            {
                synchronized(clientDataHash)
                {
     DataOutputStream peerOutData=(DataOutputStream)clientDataHash.get(userClient);
     try
     {
      peerOutData.writeUTF(talkMessage);
     }
     catch(IOException es)
     {
      es.printStackTrace();
     }
    }
    Feedback(talkMessage);
    return(false);
       }
       else if(peerTalk.equals((String)clientNameHash.get(clientSocket)))
       {
    Feedback(talkMessage);
    return(false);
    }
      }


      return(true);

    }


    public boolean chessPeerTalk(String chessPeerTalk,String chessTalkMessage)
    {

        for(Enumeration enu=clientDataHash.keys();enu.hasMoreElements();)
        {
   Socket userClient=(Socket)enu.nextElement();

            if(chessPeerTalk.equals((String)clientNameHash.get(userClient)) && !chessPeerTalk.equals((String)clientNameHash.get(clientSocket)))
            {
                synchronized(clientDataHash)
                {
     DataOutputStream peerOutData=(DataOutputStream)clientDataHash.get(userClient);
     try
     {
      peerOutData.writeUTF(chessTalkMessage);
     }
     catch(IOException es)
     {
      es.printStackTrace();
     }
    }
    return(false);
       }
   }
      return(true);
    }


    public void Feedback(String feedbackString)
    {
  synchronized(clientDataHash)
  {
   DataOutputStream outData=(DataOutputStream)clientDataHash.get(clientSocket);
   try
   {
    outData.writeUTF(feedbackString);
   }
   catch(Exception eb)
   {
    eb.printStackTrace();
   }
  }

 }

 

    public String getUserList()
    {
  String userList="/userlist";

  for(Enumeration enu=clientNameHash.elements();enu.hasMoreElements();)
  {
   userList=userList+" "+(String)enu.nextElement();
  }
  return(userList);
 }


 public Object getHashKey(Hashtable targetHash,Object hashValue)
 {
  Object hashKey;
  for(Enumeration enu=targetHash.keys();enu.hasMoreElements();)
  {
   hashKey=(Object)enu.nextElement();
   if(hashValue.equals((Object)targetHash.get(hashKey)))
    return(hashKey);
     }
     return(null);
 }

 public void firstCome()
 {
  publicTalk(getUserList());
  Feedback("/yourname "+(String)clientNameHash.get(clientSocket));
  Feedback("Java五子棋聊天客户端");
  Feedback("/changename <你的名字>  --更改名字");
  Feedback("/list --更新用户列表");
  Feedback("/<用户名> <要说的话>  --私聊");
  Feedback("注意：用命令的时候，先把谈话的对象定为所有人");
 }

 

 public void clientClose()
 {
  server.messageBoard.append("用户断开:"+clientSocket+"\n");
  //如果是游戏客户端主机
  synchronized(chessPeerHash)
  {
   if(chessPeerHash.containsKey(clientNameHash.get(clientSocket)))
   {
    chessPeerHash.remove((String)clientNameHash.get(clientSocket));
   }
   if(chessPeerHash.containsValue(clientNameHash.get(clientSocket)))
   {
    chessPeerHash.put((String)getHashKey(chessPeerHash,(String)clientNameHash.get(clientSocket)),"tobeclosed");
   }
  }
  synchronized(clientDataHash)
  {
   clientDataHash.remove(clientSocket);
  }
  synchronized(clientNameHash)
  {
   clientNameHash.remove(clientSocket);
  }
  publicTalk(getUserList());
  server.statusLabel.setText("当前连接数:"+clientDataHash.size());
  try
  {
   clientSocket.close();
  }
  catch(IOException exx)
  {
  }

  isClientClosed=true;

 }


 public void run()
 {
  DataInputStream inData;
        synchronized(clientDataHash)
        {
   server.statusLabel.setText("当前连接数:"+clientDataHash.size());
  }
  try
  {
   inData=new DataInputStream(clientSocket.getInputStream());
            firstCome();
   while(true)
   {
    String message=inData.readUTF();
    messageTransfer(message);
   }
  }
  catch(IOException esx)
  {
  }
  finally
  {
   if(!isClientClosed)
   {
    clientClose();
   }
  }
 }


}

 

 


public class chessServer extends Frame implements ActionListener
{

 Button messageClearButton=new Button("清除显示");
 Button serverStatusButton=new Button("服务器状态");
 Button serverOffButton=new Button("关闭服务器");
 Panel buttonPanel=new Panel();

 MessageServer server=new MessageServer();
 ServerSocket serverSocket;
    Hashtable clientDataHash=new Hashtable(50);
    Hashtable clientNameHash=new Hashtable(50);
    Hashtable chessPeerHash=new Hashtable(50);

 chessServer()
 {
  super("Java五子棋服务器");
  setBackground(Color.pink);


  buttonPanel.setLayout(new FlowLayout());
  messageClearButton.setSize(60,25);
  buttonPanel.add(messageClearButton);
  messageClearButton.addActionListener(this);
  serverStatusButton.setSize(75,25);
  buttonPanel.add(serverStatusButton);
  serverStatusButton.addActionListener(this);
  serverOffButton.setSize(75,25);
     buttonPanel.add(serverOffButton);
     serverOffButton.addActionListener(this);

  add(server,BorderLayout.CENTER);
  add(buttonPanel,BorderLayout.SOUTH);

  addWindowListener(new WindowAdapter()
  {
   public void windowClosing(WindowEvent e)
   {
    System.exit(0);
   }
  });
  pack();
  setVisible(true);
  setSize(400,450);
  setResizable(false);
  validate();
  try
  {
   makeMessageServer(4331,server);
  }
  catch(Exception e)
  {
   System.out.println("e");
  }
 }

 public void makeMessageServer(int port,MessageServer server) throws IOException
 {
  Socket clientSocket;
  long clientAccessNumber=1;
  this.server=server;

  try
  {
   serverSocket=new ServerSocket(port);
   server.messageBoard.setText("服务器开始于:"+serverSocket.getInetAddress().getLocalHost()+":"+serverSocket.getLocalPort()+"\n");

   while(true)
   {
    clientSocket=serverSocket.accept();
         server.messageBoard.append("用户连接:"+clientSocket+"\n");

    DataOutputStream outData=new DataOutputStream(clientSocket.getOutputStream());

    clientDataHash.put(clientSocket,outData);
    clientNameHash.put(clientSocket,("新来客"+clientAccessNumber++));

    ServerThread thread=new ServerThread(clientSocket,clientDataHash,clientNameHash,chessPeerHash,server);

    thread.start();
   }
  }
  catch(IOException ex)
  {
   System.out.println("已经有服务器在运行. \n");
  }


}

 public void actionPerformed(ActionEvent e)
 {
  if(e.getSource()==messageClearButton)
  {
   server.messageBoard.setText("");
  }
  if(e.getSource()==serverStatusButton)
  {
   try
   {
    server.messageBoard.append("服务器信息:"+serverSocket.getInetAddress().getLocalHost()+":"+serverSocket.getLocalPort()+"\n");
      }
      catch(Exception ee)
      {
    System.out.println("serverSocket.getInetAddress().getLocalHost() error \n");
   }
  }
  if(e.getSource()==serverOffButton)
  {
   System.exit(0);
  }
 }

 public static void main(String args[])
 {
  chessServer chessServer=new chessServer();
 }
}