程序如下
import java.io.*;
import java.net.*;
class Tc1
{
public static void main(String[] args)throws Exception
{
Socket s=new Socket("172.30.81.92",10007);
}
}
class Ts1
{
public static void main(String[] args)throws Exception
{
ServerSocket ss=new ServerSocket(10007);
Socket s=ss.accept();
String ip=ss.getInetAddress().getHostAddress();
System.out.println(ip);
}
}
172.30.81.92 是本机ip 服务端输出的ip是0.0.0.0是怎么回事? |