web服务器原理

import java.net.*;
import java.io.*;
public class Server{
    public static void main(String args[]) throws Exception{
        ServerSocket server = new ServerSocket(9999);
        while(true){
            Socket sock = server.accept();
            FileInputStream in = new FileInputStream("f:\javademo\a.html");
            OutputStream out = sock.getOutputStream();
            int len=0;
            byte buffer[] =new byte[1024];
            while((len=in.read(buffer))>0){
                out.write(buffer,0,len);
            }
            in.close();
            out.close();
            sock.close();
        }
        //server.close();
    }
}