socketserver.java

套接字编程

import java.io.*;
 import java.net.*;
 import java.util.*;
 public class SocketServer{
 public static void main(String[] args){
    ServerSocket ss=null;
    StringBuffer data=new StringBuffer();
    String recv="";
    try{
    ss=new ServerSocket(3000);
    }catch(Exception e){
    System.out.println("不能监听到请求:"+e.toString())；
    }
    try{
    Socket s=ss.accept();
    System.out.println("连接成功，正在接收数据...")；
    BufferedReader sis=new BufferedReader(new InputStreamReader(s.getInputStream()));
    PrintWriter sos=new PrintWriter(s.getOutputStream());
    recv=sis.readLine();
    while(!recv.equals("bye"))
    {
    data.append("在时间"+Calendar.getInstance().getTime().toString());
    data.append("接收到数据："+recv);
    System.out.println(data.toString());
    sos.flush();
    recv=sis.readLine();
    data.setLength(0);
    }
    if(recv.equals("bye"))
        sos.println("bye");
        sos.close();
        sis.close();
        ss.close();
        s.close();
        }catch(Exception e)
        {System.out.println("Exception:"+e.toString());
        }
        }
        }