获取MAC地址最有效方法作为软件加密时用到在不同系统平台下
最好不要用命令来获取信息 这里写出来只是通过一个比较而已
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.net.UnknownHostException; import java.util.Enumeration; import com.sun.net.httpserver.HttpContext; /** * @className: SystemTool * @description: 获取MAC地址 * @author: */ public class SystemTool { /** * 获取当前操作系统名称. return 操作系统名称 例如:windows xp,mac os,unix，linux 等. */ public String getOSName() { return System.getProperty("os.name").toLowerCase(); } /** * 获取mac os网卡的mac地址. * * @return mac地址 */public String getMacosMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { //mac os下的命令 一般取ether 作为本地主网卡 显示信息中包含有MAC地址信息 process = Runtime.getRuntime().exec("/bin/sh -c ifconfig -a"); bufferedReader = new BufferedReader(new InputStreamReader(process .getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { index = line.toLowerCase().indexOf("ether"); if (index >= 0) { mac = line.substring(index + "ether".length() + 1).trim(); break; } } } catch (IOException e) { e.printStackTrace(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 获取unix网卡的mac地址. * * @return mac地址 */ public 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】物理网卡地址 index = line.toLowerCase().indexOf("hwaddr"); //找到了地址 if (index >= 0) { //取出mac地址并去除两边空格 mac = line.substring(index + "hwaddr".length() + 1).trim(); break; } } } catch (IOException e) { e.printStackTrace(); } 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. * @author * @create date 2012.6.27 * @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 用process流 process = Runtime.getRuntime().exec("ifconfig "); 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 物理网卡地址 index = line.toLowerCase().indexOf("hwaddr"); //找到了地址 if (index !=-1) { //取出mac地址并去除两边空格 mac = line.substring(index + 4).trim(); break; } } } catch (IOException e) { e.printStackTrace(); } 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 */ /** * 获取ip地址. * 这种方式只能在Windows上使用可以 如果在linux平台可能有问题 会得到127.0.0.1 * @return ip地址 */ public String getIpAddress() { String IP = ""; InetAddress ia = null; try { ia = InetAddress.getLocalHost(); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } IP = ia.getHostAddress().trim(); return IP; } /** * 根据网卡获取本机配置的ip地址.在linux平台下 * * Author: * Create Date: 2012.6.26 * @return linux ip */ public String getIpAddressOnLinux() { // 枚举本机所有网卡对象 Enumeration allNetInterfaces = null; try { //显示本机所有网卡硬件地址 allNetInterfaces = NetworkInterface.getNetworkInterfaces(); } catch (SocketException e) { // TODO Auto-generated catch block e.printStackTrace(); } InetAddress ip=null; String IPAdd=""; while(allNetInterfaces.hasMoreElements()) { NetworkInterface netInterface=(NetworkInterface)allNetInterfaces.nextElement(); //System.out.println(netInterface.getName()); ip=(InetAddress)netInterface.getInetAddresses().nextElement(); if(ip.isSiteLocalAddress()||ip.isLoopbackAddress()) { //System.out.println("本机的ip="+ ip.getHostAddress()); break; } else { ip=null; } } IPAdd=ip.getHostAddress(); return IPAdd; } /** * mac os x Hardware UUID * * @return UUID */ public String getMacosxUUID() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { process = Runtime.getRuntime().exec("system_profiler SPHardwareDataType"); bufferedReader = new BufferedReader(new InputStreamReader( process.getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { index = line.toLowerCase().indexOf("hardware uuid"); if (index >= 0) { mac = line.substring(index + "hardware uuid".length() + 1).trim(); break; } } } catch (IOException e) { e.printStackTrace(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /**Author: * Create Date: 2012.6.25 * @return 通过命令获取网卡地址存在一定的问题， 直接通过IP来获取MAC ADDRESS */ public String getMACAddress(InetAddress ia)throws Exception { // TODO Auto-generated method stub //获得网络接口即网卡 并得到MAC地址 mac地址存在于一个byte数组中 byte[] mac=NetworkInterface.getByInetAddress(ia).getHardwareAddress(); //把mac地址拼装成string StringBuffer sb=new StringBuffer(); for(int i=0;i<mac.length;i++) { if(i!=0) { sb.append("-"); } //mac[i]&0xff是为了把BYTE化为整数 String s=Integer.toHexString(mac[i]&0xFF); sb.append(s.length()==1?0+s:s); } //把字符串所有小写字母改为大写为正规的mac地址并返回 return sb.toString().toUpperCase(); } }
