MAC地址工具

来源：互联网发布：2014年进出口数据编辑：程序博客网时间：2024/06/01 19:22
代码地址：https://code.csdn.net/snippets/2444253
/** * MAC地址工具 *  * @author zhou * @version 2013-12-21 */public class MacUtils {   /**    * 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.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.    *     * @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.printStackTrace();      } finally {         try {            if (bufferedReader != null) {               bufferedReader.close();            }         } catch (IOException e1) {            e1.printStackTrace();         }         bufferedReader = null;         process = null;      }            // 取不到，试下Unix取发      if (mac == null){         return getUnixMACAddress();      }      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()));         String line = null;         int index = -1;         while ((line = bufferedReader.readLine()) != null) {            /**             * 寻找标示字符串[physical address]             *///          index = line.toLowerCase().indexOf("physical address");//          if (index != -1) {            if (line.split("-").length == 6){               index = line.indexOf(":");               if (index != -1) {                  /**                   * 取出mac地址并去除2边空格                   */                  mac = line.substring(index + 1).trim();               }               break;            }            index = line.toLowerCase().indexOf("物理地址");            if (index != -1) {               index = line.indexOf(":");               if (index != -1) {                  /**                   * 取出mac地址并去除2边空格                   */                  mac = line.substring(index + 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;   }   public static String getMac(){      String os = getOSName();      String mac;      if (os.startsWith("windows")) {         mac = getWindowsMACAddress();      } else if (os.startsWith("linux")) {         mac = getLinuxMACAddress();      } else {         mac = getUnixMACAddress();      }      return mac == null ? "" : 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: " + os);      if (os.startsWith("windows")) {         String mac = getWindowsMACAddress();         System.out.println("mac: " + mac);      } else if (os.startsWith("linux")) {         String mac = getLinuxMACAddress();         System.out.println("mac: " + mac);      } else {         String mac = getUnixMACAddress();         System.out.println("mac: " + mac);      }   }}
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