java 通過ip獲取客戶端mac地址

java 通過ip獲取客戶端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); } /** * 獲取當前操作系統名稱. return 操作系統名稱 例如:windows,Linux,Unix等. */ public static String getOSName() { return System.getProperty("os.name").toLowerCase(); } /** * 獲取Unix網卡的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作為本地主網卡 顯示信息中包含有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) { /** * 尋找標示字符串[hwaddr] */ index = line.toLowerCase().indexOf("hwaddr"); /** * 找到了 */ if (index != -1) { /** * 取出mac地址並去除2邊空格 */ 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; } /** * 獲取Linux網卡的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作為本地主網卡 顯示信息中包含有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地址並去除2邊空格 */ 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; } /** * 獲取widnows網卡的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，顯示信息中包含有mac地址信息 */ process = Runtime.getRuntime().exec("ipconfig /all"); bufferedReader = new BufferedReader(new InputStreamReader( process.getInputStream(), "GBK")); // windows系統都是GBK編碼，不加GBK讀出的中文是亂碼 String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { /** * 尋找標示字符串[physical address] */ index = line.toLowerCase().indexOf("physical address"); if (index == -1) { /** * 尋找標示字符串[物理地址] */ index = line.toLowerCase().indexOf("物理地址"); } if (index != -1) { index = line.indexOf(":"); if (index != -1) { /** * 取出mac地址並去除2邊空格 */ mac = line.substring(index + 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; } /** * 獲取widnows網卡的mac地址. * * @return mac地址 */ public static String getWindowsMACAddress(String ip) { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { /** * windows下的命令，顯示信息中包含有mac地址信息 */ // process = Runtime.getRuntime().exec("ipconfig /all"); process = Runtime.getRuntime().exec("nbtstat -A " + ip); bufferedReader = new BufferedReader(new InputStreamReader( process.getInputStream(), "GBK")); // windows系統都是GBK編碼，不加GBK讀出的中文是亂碼 String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { /** * 尋找標示字符串[physical address] */ index = line.toLowerCase().indexOf("mac 地址 ="); if (index != -1) { index = line.indexOf("="); if (index != -1) { /** * 取出mac地址並去除2邊空格 */ mac = line.substring(index + 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; } /** * 獲取客戶端mac * * @description {TODO} * @return */ public static String getMACAddress(String ip) { String os = getOSName(); String mac = ""; if (os.startsWith("windows")) { mac = getWindowsMACAddress(ip); } else if (os.startsWith("linux")) { mac = getLinuxMACAddress(); } else { mac = getUnixMACAddress(); } return mac; } }