java 获取mac地址


import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
import java.util.HashMap;

public class MacUtils {

private static String getLocalMac() {

InetAddress ia = null;
StringBuffer sb = new StringBuffer("");

try {

Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();

while (interfaces.hasMoreElements()) {
NetworkInterface networkInterface = interfaces.nextElement();
if (networkInterface != null) {

String name = networkInterface.getName();

if(!name.equals("en0")){
continue;
}

byte[] bytes = networkInterface.getHardwareAddress();
if (bytes != null) {
for (int i = 0; i < bytes.length; i++) {
if (i != 0) {
sb.append(":");
}
int tmp = bytes[i] & 0xff; // 字节转换为整数
String str = Integer.toHexString(tmp);
if (str.length() == 1) {
sb.append("0" + str);
} else {
sb.append(str);
}
}
}
}
}

System.out.println("本机MAC地址:" + sb.toString().toLowerCase());


} catch (Exception e) {
e.printStackTrace();
}
return sb.toString().toLowerCase();

}

public static void main(String[] args) {

getLocalMac();
}

}
posted @ 2019-04-12 10:25  范世强  阅读(2651)  评论(0编辑  收藏  举报