Question

java中用socket通信怎么获取访问者的IP？

Answer 1

新建一个ServerSocket对象然后用accept（）方法接受请求连接的Socket对象在调用获得的Socket对象的getInetAddress（）方法获取InetAddress对象在调用InetAddress对象的getHostAddress方法来获取IP地址。

Answer 2

这样试一下

ServerSocket server;
Socket client;
server = new ServerSocket(10000);
client = server.accept();
client.getLocalAddress().getHostAddress();

Answer 3

ServerSocket ss = new ServerSocket(int port);
Socket s = ss.accept();
String ip = s.getLocalAddress().getHostAddress();