获取个系统的MAC地址
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; /** * 与系统相关的一些常用工具方法. * * */public class SystemTool { /** * 获取当前操作系统名称. * return 操作系统名称 例如:windows xp,linux 等. */ public static String getOSName() { return System.getProperty("os.name").toLowerCase(); } /** * 获取unix网卡的mac地址. * 非windows的系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法. * @return mac地址 */ public static String getUnixMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { process = Runtime.getRuntime().exec("ifconfig eth0");// 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 bufferedReader = new BufferedReader(new InputStreamReader(process .getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { index = line.toLowerCase().indexOf("hwaddr");// 寻找标示字符串 if (index >= 0) {// 找到了 mac = line.substring(index +"hwaddr".length()+ 1).trim();//取出mac地址并去除2边空格 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 */ public static String getWindowsMACAddress() { String mac = null; BufferedReader bufferedReader = null; Process process = null; try { process = Runtime.getRuntime().exec("ipconfig /all");// windows下的命令，显示信息中包含有mac地址信息 bufferedReader = new BufferedReader(new InputStreamReader(process .getInputStream())); String line = null; int index = -1; while ((line = bufferedReader.readLine()) != null) { index = line.toLowerCase().indexOf("physical address");// 寻找标示字符串 if (index >= 0) {// 找到了 index = line.indexOf(":");// 寻找":"的位置 if (index>=0) { mac = line.substring(index + 1).trim();//取出mac地址并去除2边空格 } break; } } } catch (IOException e) { e.printStackTrace(); } finally { try { if (bufferedReader != null) { bufferedReader.close(); } } catch (IOException e1) { e1.printStackTrace(); } bufferedReader = null; process = null; } return mac; } /** * 测试用的main方法. * * @param argc * 运行参数. */ public static void main(String[] argc) { String os = getOSName(); System.out.println(os); if(os.startsWith("windows")){ //本地是windows String mac = getWindowsMACAddress(); System.out.println(mac); }else{ //本地是非windows系统 一般就是unix String mac = getUnixMACAddress(); System.out.println(mac); } } }
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