Java获取本机IP

 

 

import lombok.extern.slf4j.Slf4j;
import org.junit.Test;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

@Slf4j
public class TestInetAddress {

    /**
     * 获取当前服务器ip
     */
    @Test
    public void testGetIp() throws Exception {
        // 获取本机名和ip
        InetAddress localHost = InetAddress.getLocalHost();
        log.info(localHost.toString());
        log.info(localHost.getHostName());
        log.info(localHost.getHostAddress());

        InetAddress loopbackAddress = InetAddress.getLoopbackAddress();
        log.info(loopbackAddress.toString());

        InetAddress localHostV4 = Inet4Address.getLocalHost();
        log.info(localHostV4.toString());

//        10:55:53.227 [main] INFO part2.tools.InetAddress.TestInetAddress - NJXDGD02600/10.100.80.54
//        10:55:53.231 [main] INFO part2.tools.InetAddress.TestInetAddress - NJXDGD02600
//        10:55:53.231 [main] INFO part2.tools.InetAddress.TestInetAddress - 10.100.80.54
//        10:55:53.231 [main] INFO part2.tools.InetAddress.TestInetAddress - localhost/127.0.0.1
//        10:55:53.231 [main] INFO part2.tools.InetAddress.TestInetAddress - NJXDGD02600/10.100.80.54
    }

    /**
     * 获取本机所有ip地址
     */
    @Test
    public void testAllIP() throws SocketException {
        Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
        while (en.hasMoreElements()) {
            NetworkInterface networkinterface = en.nextElement();
            Enumeration<InetAddress> inetAddresses = networkinterface.getInetAddresses();
            if (inetAddresses.hasMoreElements()) {
                InetAddress inetAddress = inetAddresses.nextElement();
                // 去除非IPv4的内容
                if (inetAddress instanceof Inet4Address) {
                    String hostAddress = inetAddress.getHostAddress();
                    // 去除127.0.0.1
                    if (!hostAddress.equals("127.0.0.1")) {
                        log.info(inetAddress.toString());
                        log.info("{}/{}", inetAddress.getHostName(), inetAddress.getHostAddress());
                        log.info("------------");
                    }
                }
            }
//            10:52:54.022 [main] INFO part2.tools.InetAddress.TestInetAddress - /10.100.80.54
//            10:52:54.031 [main] INFO part2.tools.InetAddress.TestInetAddress - NJXDGD02600.Shein-inc.com/10.100.80.54
        }
    }

}