获取mac地址和cpu id（windows和linux）

public class HardwareUtil {    /**     * Return Opertaion System Name;     *      * @return os name.     */    public static String getOsName() {        String os = "";        os = System.getProperty("os.name");        return os;    }    /**     * Returns the MAC address of the computer.     *      * @return the MAC address     */    public static String getMACAddress() {        String address = "";        String os = getOsName();        if (os.startsWith("Windows")) {            try {                String command = "cmd.exe /c ipconfig /all";                Process p = Runtime.getRuntime().exec(command);                BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));                String line;                while ((line = br.readLine()) != null) {                    if (line.indexOf("Physical Address") > 0) {                        int index = line.indexOf(":");                        index += 2;                        address = line.substring(index);                        break;                    }else  if (line.indexOf("物理地址") > 0) {                        int index = line.indexOf(":");                        index += 2;                        address = line.substring(index);                        break;                    }                }                br.close();                return address.trim();            } catch (IOException e) {            }        } else if (os.startsWith("Linux")) {            String command = "/bin/sh -c ifconfig -a";            Process p;            try {                p = Runtime.getRuntime().exec(command);                BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));                String line;                while ((line = br.readLine()) != null) {                    if (line.indexOf("HWaddr") > 0) {                        int index = line.indexOf("HWaddr") + "HWaddr".length();                        address = line.substring(index);                        break;                    }                }                br.close();            } catch (IOException e) {            }        }        address = address.trim();        return address;    }              /**     * 获取CPU号,多CPU时,只取第一个     * @return     */    public static String getCPUSerial() {        String result = "";        String os = getOsName();        if (os.startsWith("Windows")) {        try {            File file = File.createTempFile("tmp", ".vbs");            file.deleteOnExit();            FileWriter fw = new java.io.FileWriter(file);            String vbs = "On Error Resume Next \r\n\r\n" + "strComputer = \".\"  \r\n"                    + "Set objWMIService = GetObject(\"winmgmts:\" _ \r\n"                    + "    & \"{impersonationLevel=impersonate}!\\\\\" & strComputer & \"\\root\\cimv2\") \r\n"                    + "Set colItems = objWMIService.ExecQuery(\"Select * from Win32_Processor\")  \r\n "                    + "For Each objItem in colItems\r\n " + "    Wscript.Echo objItem.ProcessorId  \r\n "                    + "    exit for  ' do the first cpu only! \r\n" + "Next                    ";            fw.write(vbs);            fw.close();            Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());            BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));            String line;            while ((line = input.readLine()) != null) {                result += line;            }            input.close();            file.delete();        } catch (Exception e) {            e.fillInStackTrace();        }        }else if (os.startsWith("Linux")) {            String CPU_ID_CMD = "dmidecode -t 4 | grep ID |sort -u |awk -F': ' '{print $2}'";             Process p;             try {                 p = Runtime.getRuntime().exec(new String[]{"sh","-c",CPU_ID_CMD});//管道                 BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));                 String line;                 while ((line = br.readLine()) != null) {                         result += line;                         break;                 }                 br.close();             } catch (IOException e) {             }        }        if (result.trim().length() < 1 || result == null) {            result = "无CPU_ID被读取";        }        return result.trim();    }            /**     * Main Class.     *      * @param args     * @throws NoSuchPaddingException      * @throws NoSuchAlgorithmException      */    public static void main(String[] args) throws Exception {        String macAddress=HardwareUtil.getMACAddress();String cpuSerial=HardwareUtil.getCPUSerial();        String test =macAddress+"@"+cpuSerial;                      }