server.java

是个好东西

import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.io.IOException;
import java.net.Socket;
import java.net.ServerSocket;
import java.io.DataOutputStream;
import java.io.DataInputStream;
import java.net.InetAddress;
public class Server  extends JFrame
{
  JTextArea abc=new JTextArea();
  JPanel contentPane;
  JLabel jLabel1 = new JLabel();
  TextArea showip = new TextArea();
  JLabel jLabel2 = new JLabel();
  JTextArea jTextArea2 = new JTextArea();
  TextArea sendmessage=new TextArea();
  JButton jButton1 = new JButton();
  ServerSocket serversocket;  
	 
	   Socket[] socketArry=new Socket[10];
	public Server()
	{
		 addWindowListener(
        new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {System.exit(0);}
        }
                );
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(null);
    setSize(new Dimension(250, 300));
    setTitle("Frame Title");
    sendmessage.setBounds(0,0,100,100);
    jLabel1.setText("显示上线人IP:");
    jLabel1.setBounds(new Rectangle(13, 5, 122, 21));
    showip.setBounds(new Rectangle(10, 30, 201, 100));
    jLabel2.setText("上线人数:");
    jLabel2.setBounds(new Rectangle(12, 134, 152, 24));
    jTextArea2.setBounds(new Rectangle(9, 160, 199, 34));
    jButton1.setBounds(new Rectangle(71, 209, 71, 29));
    jButton1.setText("关闭");
    
    jButton1.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
         jButton1_actionPerformed(e);
      }
    });
    //contentPane.add(sendmessage);
    contentPane.add(jLabel1);
    contentPane.add(showip);
    contentPane.add(jLabel2);
    contentPane.add(jTextArea2);
    contentPane.add(jButton1);
    setVisible(true);
		try{
			serversocket=new ServerSocket(9999);
			  

		for(int i=0;i<socketArry.length;i++)
		{	
		   	    
			socketArry[i]=serversocket.accept();
			InetAddress netaddress=socketArry[i].getInetAddress();
			showip.append(netaddress.toString());
			showip.append("  \n");
			new Myserver(socketArry[i]);
						
			}
			}
			catch(IOException e)
			{
				System.out.println(e);
				}
}
	public static void main(String args[])
	{
		new Server();
		}
	public void jButton1_actionPerformed(ActionEvent e) {
    System.exit(0);
	}
class Myserver implements Runnable
{
	 Thread thread;
	 Socket socket;
	 DataInputStream instream;
	 DataOutputStream outstream;
	 int cout;
     String get,send,str3;
     byte[] buf=new byte[2555];

	public Myserver(Socket sock)
	{
		this.socket=sock;
		
		thread=new Thread(this);
		thread.start();
		}
	public void run()
	{
		
		try{
			 
          	
			 instream=new DataInputStream(socket.getInputStream());
	         outstream=new DataOutputStream(socket.getOutputStream());
	         //outstream.writeUTF("Welcome "+socket.getLocalAddress());
	         
	  while(true)
	{
	
		get=instream.readUTF();
		if(get.substring(get.length()-6).equals("  欢迎光临"))
		{
			abc.append("\n");
			abc.append(get);
			str3=abc.getText();
			outstream.writeUTF(str3);
			
		}
		else{
	
		//if(!get.equals(""))
		sendmessage.append(get);
		sendmessage.append("\n");
		
		get=sendmessage.getText();
		
		outstream.writeUTF(get);
		
	//	System.out.println(get);
		 }
		
		}
		   }
		catch(IOException e)
		{
			System.out.println(e);
			}	
	
	}
	
  }
}
/*}
public class Server implements Runnable
{
  public Thread thread;
  public int cout;
  public String s;
  public byte[] buf=new byte[100];
  public ArrayList list=new ArrayList(); 
 
public void run()
{
 try
{
String str;
ServerSocket serversocket=new ServerSocket(5555);

while(true)
{
Socket socket=serversocket.accept();
list.add(socket);
new RWthread(socket);
}
}
catch(IOException e)
{
	System.out.println(e);
	}
}
void start()
{
thread=new Thread(this);
thread.start();
}

public static void main(String args[])
{
 Server app=new Server();
app.start();
}
}
class RWthread implements Runnable
{
  public Socket mysocket=new Socket();
  public int cout1;
  public byte[] buf1=new byte[100];
  public RWthread(Socket sock)
  {
  	this.mysocket=sock;
  	
  	Thread thread1=new Thread();
  	thread1.start();
  	}
 public void run()
  {	
  try{
DataInputStream instream=new DataInputStream(mysocket.getInputStream());
DataOutputStream outstream=new DataOutputStream(mysocket.getOutputStream());
String str="Hello";
outstream.writeUTF(str);


}
catch(IOException e)
{
  System.out.println(e);
}
}
}

*/