server.java

实例精华

//package ddd;
import java.io.*;
import java.net.*;
import java.util.*;

public class Server extends Thread{

    ServerSocket server;

    Socket sk;

    public Server()
    {
        try {
            server = new ServerSocket(1234);
            System.out.println("服务器开启");
        } catch (IOException ex) {
        }
        this.start();

    }
    public void run()
    {
        try {
        
        while(true)
        {
            
                sk = server.accept();
                Service s = new Service(sk);
            }
        } catch (IOException ex) {
                ex.printStackTrace();
            }
    }

    class Service extends Thread
    {
        Socket sk;
        BufferedReader br,brr;
        PrintStream ps;
        String s1,s2;
        InetAddress ia;
        public Service(Socket sk)
        {
            this.sk = sk;

            try {
                br = new BufferedReader(new InputStreamReader(sk.getInputStream()));
                brr = new BufferedReader(new InputStreamReader(System.in));
                ps = new PrintStream(sk.getOutputStream());
            } catch (IOException ex) {
                ex.printStackTrace();
            }
            this.start();
        }
        public void run()
        {
            try {
                while (true) {
                    s1 = br.readLine();
                    if(s1 == null)break;
                    System.out.println("Client :" + s1);
                    s2 = brr.readLine();
                    ps.println(s2);
                }
            } catch (Exception ex) {
                System.out.println("下线了");
            }
            try {
                sk.close();
            } catch (IOException ex1) {
            }
        }
    }

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