网络编程1

4-04：私有IP通过网关代理上网的原理：

 

 package

import

java.io.IOException;import

java.io.InputStreamReader;import

java.net.ServerSocket;import

publicclass

        main(String[] args) IOException { 

new

"welcome login my server machine!"

newnew

/*       byte[] btf=new byte[1024];       int len=ips.read(btf);*/       String say=br.readLine();       System..println(say);       br.close();       s.close();       ss.close();    } 

 

4-06：

 

 

 

 

服务器端程序：

frame; 

import

java.net.ServerSocket;import

publicclass

 

publicstaticvoid

       ServerSocket ss;       {           ss = ServerSocket(9000);           (){              Socket s=ss.accept();              Thread( Servicer(s)).start();              }       } (IOException e) {           System..println(<FONT face=""" color="#2a00ff">"服务器关闭<FONT face=""" color="#2a00ff">"

}package

import

java.io.InputStream;import

java.io.OutputStream;import

java.net.Socket; 

Servicer Runnable { 

privatesnull

public

super

thiss

    run() { 

try

s

s

"welcome login my server machine!"

newtrue

newnew

whiletrue

if"quit"

snull

out

newnew

"处理后<FONT face=""" color="#2a00ff">:"

catch

out"一个客户端同服务器断开连接<FONT face=""" color="#2a00ff">"

}<FONT face=""">