java 获取本机的ip和mac_JAVA获取本机IP和Mac地址

package com.svse.query;

import java.net.InetAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.net.UnknownHostException;

/***

* 获取本机的Mac地址 (物理地址) 如:58-02-E3-58-4E-E5

* @author lenovo

* @date 2019年2月20日

* description:

*/

public class TestLocalMac {

private static void getLocalMac(InetAddress ia) throws SocketException {

//获取网卡，获取地址

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

if(i!=0) {

sb.append("-");

}

//字节转换为整数

int temp = mac[i]&0xff;

String str = Integer.toHexString(temp);

//System.out.println("每8位:"+str);

if(str.length()==1) {

sb.append("0"+str);

}else {

sb.append(str);

}

}

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

}

public static void main(String[] args) throws UnknownHostException {

//得到IP，输出PC-201309011313/122.206.73.83

InetAddress ia = InetAddress.getLocalHost();

String ip=ia.toString().split("/")[1];

System.out.println(ia);

System.out.println("IP:"+ip);

try {

getLocalMac(ia);

} catch (SocketException e) {

e.printStackTrace();

}

}

}