Java读取本地机器MAC地址

package org.liufei.jweb;import java.net.NetworkInterface;import java.net.SocketException;import java.util.Enumeration;public class MacAddress {private static String hexByte(byte b) {String s = "000000" + Integer.toHexString(b);return s.substring(s.length() - 2);}public static String getHostMAC(String split) throws SocketException {Enumeration<NetworkInterface> networkInterface_enumeration;String mac_address = "";networkInterface_enumeration = NetworkInterface.getNetworkInterfaces();while (networkInterface_enumeration.hasMoreElements()) {byte[] mac = networkInterface_enumeration.nextElement().getHardwareAddress();if (mac == null)continue;mac_address = hexByte(mac[0]) + split + hexByte(mac[1]) + split+ hexByte(mac[2]) + split + hexByte(mac[3]) + split+ hexByte(mac[4]) + split + hexByte(mac[5]);}return mac_address;}public static void main(String[] args) throws SocketException {System.out.println(MacAddress.getHostMAC(":"));}}