import java.net.InetAddress;import java.net.NetworkInterface;import java.net.SocketException;import java.net.UnknownHostException;public class LocalMac {    public static void main(String[] args) throws UnknownHostException, SocketException {        InetAddress ia = InetAddress.getLocalHost();        System.out.println(ia);        System.out.println("本机mac地址：" + getLocalMac(ia));    }    private static String getLocalMac(InetAddress ia) throws SocketException {        byte[] mac = NetworkInterface.getByInetAddress(ia).getHardwareAddress();        // System.out.println("mac数组长度："+mac.length);        StringBuffer sb = new StringBuffer("");        for(int i=0; i

输出：

DESKTOP-NDJUAVS/192.168.43.1本机mac地址：00-50-56-C0-00-08

参考地址：