java socket服务器客户端程序

import java.io.*; import java.net.*; public class Client { static Socket server; public static void main(String[] args)throws Exception{ server=new Socket(InetAddress.getLocalHost(),80); BufferedReader in=new BufferedReader(new InputStreamReader(server.getInputStream())); PrintWriter out=new PrintWriter(server.getOutputStream()); BufferedReader wt=new BufferedReader(new InputStreamReader(System.in)); while(true){ String str=wt.readLine(); out.println(str); out.flush(); if(str.equals("end")){ break; } System.out.println(in.readLine()); } server.close(); } }