server.java

java 聊天服务器与客户端 java 聊天服务器与客户端

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
public class Server extends Frame
{
    TextField tf = new TextField(20);
    TextArea ta = new TextArea();
    Button send = new Button("send");
    Button voiceChat = new Button("voiceChat");
    ServerSocket serSocket;
    Socket client;
    InputStream in;
    BufferedReader br;
    OutputStream out;
    BufferedWriter bw;
    public Server()
    {
        super("Server");
        add("North", tf);
        add("Center", ta);
        add("South", send);
        //add("East", voiceChat);
        setBackground(Color.yellow);
        setSize(250, 250);
        show();
        addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {
                dispose(); System.exit(0);
            }
        }
        );
        try
        {
            ServerSocket serSocket = new ServerSocket(5000);
            client = serSocket.accept();
            ta.append("client host" + client.getInetAddress().getHostName() +
                "\n\n");
            in = client.getInputStream();
            br = new BufferedReader(new InputStreamReader(in));
            out = client.getOutputStream();
            bw = new BufferedWriter(new OutputStreamWriter(out));
        }
        catch (Exception e){}
        while (true)
        {
            try
            {
                byte[]buf = new byte[200];
                in.read(buf);
                String str = new String(buf);
                ta.append("Client say:" + str);
                ta.append("\n");
            }
            catch (IOException e){}
        }
    }
    public boolean action(Event evt, Object arg)
    {
        if (evt.target.equals(send))
        {
            try
            {
                String str = tf.getText();
                byte[]buf = str.getBytes();
                tf.setText(null);
                out.write(buf);
                ta.append("I say:" + str);
                ta.append("\n");
            }
            catch (IOException ioe){}
        }
        else if (evt.target.equals(voiceChat))
        {
            try
            {
                //ServerSocket serSock=new ServerSocket(6000);
                //Socket cli=serSock.accept();    //Playback player=new Playback(cli);
                //player.start();
            }
            catch (Exception e){}
        }
        return true;
    }
    public static void main(String[]args)
    {
        Server server = new Server();
    }
}