java 通过ip获取客户端mac地址
package com.asppro.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MacUtil {
public static String getLocalMacByIp(String ip) throws SocketException, IOException{ NetworkInterface ne=NetworkInterface.getByInetAddress(InetAddress.getByName(ip)); byte[]mac=ne.getHardwareAddress(); String mac_s=hexByte(mac[0])+"-"+ hexByte(mac[1])+"-"+ hexByte(mac[2])+"-"+ hexByte(mac[3])+"-"+ hexByte(mac[4])+"-"+ hexByte(mac[5]) ; return mac_s; } private static String hexByte(byte b) { String s="000000"+Integer.toHexString(b); return s.substring(s.length()-2); } /** * 获取当前操作系统名称. return 操作系统名称 例如:windows,Linux,Unix等. */ public static String getOSName() { return System.getProperty("os.name").toLowerCase(); } /** * 获取Unix网卡的mac地址. * * @return mac地址 */ public static String getUnixMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * Unix下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ifconfig eth0"); bufferedReader = new BufferedReader(new InputStreamReader( process.getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { /** * 寻找标示字符串[hwaddr] */ index = line.toLowerCase().indexOf("hwaddr"); /** * 找到了 */ if (index != -1) { /** * 取出mac地址并去除2边空格 */ mac = line.substring(index + "hwaddr".length() + 1).trim(); break; } } } catch (IOException e) { e.getMessage(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 获取Linux网卡的mac地址. * * @return mac地址 */ public static String getLinuxMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * linux下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ifconfig eth0"); bufferedReader = new BufferedReader(new InputStreamReader( process.getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { index = line.toLowerCase().indexOf("硬件地址"); /** * 找到了 */ if (index != -1) { /** * 取出mac地址并去除2边空格 */ mac = line.substring(index + 4).trim(); break; } } } catch (IOException e) { e.getMessage(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 获取widnows网卡的mac地址. * * @return mac地址 */ public static String getWindowsMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * windows下的命令，显示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ipconfig /all"); bufferedReader = new BufferedReader(new InputStreamReader( process.getInputStream(), "GBK")); // windows系统都是GBK编码，不加GBK读出的中文是乱码 String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { /** * 寻找标示字符串[physical address] */ index = line.toLowerCase().indexOf(