Java：网络编程之登陆服务器

1.

客服端：浏览器(telnet)

服务端：自定义

2.

客服端：浏览器

服务端：TomCat服务器

3.

客服端：自定义

服务端：TomCat服务器

 

//例子如下：

import java.net.*;
import java.io.*;
class ServerDemo
{
    public static void main(String[] args)throws Exception
    {
        ServerSocket ss = new ServerSocket(8080);

        Socket s = ss.accept();

        System.out.println(s.getInetAddress().getHostAddress());

        InputStream in = s.getInputStream();
        byte[] buf = new byte[1024];
        int len = in.read(buf);
        System.out.println(new String(buf,0,len));

        PrintWriter out = new PrintWriter(s.getOutputStream(),true);

        out.println("<font color='read' 'size'=7>客户端你好</font>");

        s.close();
        ss.close();
    }
}