springboot怎么获取mac地址

?Spring Boot???MAC????????????:

1. ???????:

io.netty
netty-runtime
4.1.65.Final

2. ??????????MAC??:

import io.netty.channel.socket.nio.NioDatagramChannel;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
public class MacAddressUtils {
public static String getMacAddress() {
try {
NetworkInterface network = NetworkInterface.getByInetAddress(InetAddress.getLocalHost());
byte[] mac = network.getHardwareAddress();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
}
return sb.toString();
} catch (SocketException | UnknownHostException e) {
e.printStackTrace();
}
return null;
}
}

3. ?????MAC???????????????:

String macAddress = MacAddressUtils.getMacAddress();
System.out.println(macAddress);

???,?????????????MAC???????????????MAC??,??????????