ftpserver.java~1~

来自「FTPserver and Client」· JAVA~1~ 代码 · 共 62 行

package networkftpdsgn;

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

/**
 * <p>Title: FTPDisign</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: jnucs</p>
 * @author chxb
 * @version 1.0
 */

public class KnockKnockServer {
    public static void main(String[] args) throws IOException {
  System.out.println("Server");

        ServerSocket serverSocket = null;
        try {
            serverSocket =
                        new ServerSocket(4444);
        } catch (IOException e) {
            System.err.println("Could not listen on port: 4444.");
            System.exit(1);
        }

        Socket clientSocket = null;
        try {
            clientSocket = serverSocket.accept();
        } catch (IOException e) {
            System.err.println("Accept failed.");
            System.exit(1);
        }
        PrintWriter os = new
  PrintWriter(clientSocket.getOutputStream(), true);
        BufferedReader is = new BufferedReader(
                                new InputStreamReader(
                                clientSocket.getInputStream()));
        BufferedReader sin= new
BufferedReader( new
              InputStreamReader(System.in));
        String line;
        os.println("connect to server");
        System.out.println("Client:"+is.readLine());
        line=sin.readLine();
        while (!line.equals("bye")) {
             os.println(line);
             os.flush();
             System.out.println("Server:"+line);
             System.out.println("Client:"+
                                is.readLine());
             line=sin.readLine();
        }
        is.close();
        os.close();
        sin.close();
        clientSocket.close();
        serverSocket.close();
    }
}