Java获得CPU序列号和网卡Mac地址

/* 利用Runtime call操作系统的命令,具体的命令取决于不同的操作系统,注意不要调用Runtime.getRuntime().exec(String)接口,要用Runtime.getRuntime().exec(String[])这个接口,不然复杂命令的执行会有问题。例子如下(拿cpu个数,其他类似):
* 定义命令:
* WindowsCmd =”cmd.exe /c echo %NUMBER_OF_PROCESSORS%”;//windows的特殊
* SolarisCmd = {“/bin/sh”, “-c”, “/usr/sbin/psrinfo | wc -l”};
* AIXCmd = {“/bin/sh”, “-c”, “/usr/sbin/lsdev -Cc processor | wc -l”};
* HPUXCmd = {“/bin/sh”, “-c”, “echo \”map\” | /usr/sbin/cstm | grep CPU | wc -l “};
* LinuxCmd = {“/bin/sh”, “-c”, “cat /proc/cpuinfo | grep ^process | wc -l”};
*
* 然后判断系统:
* os = System.getProperty(“os.name”).toLowerCase();
*
* 根据不同的操作系统call不同的命令。
*/

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;

public class GetMACAddress {
public String getMACAddress(String ipAddress) {
   String str = “”, strMAC = “”, macAddress = “”;
   try {
    Process pp = Runtime.getRuntime().exec(“nbtstat -a ” + ipAddress);
    InputStreamReader ir = new InputStreamReader(pp.getInputStream());
    LineNumberReader input = new LineNumberReader(ir);
    for (int i = 1; i < 100; i++) {
     str = input.readLine();
     if (str != null) {
      if (str.indexOf(“MAC Address”) > 1) {
       strMAC = str.substring(str.indexOf(“MAC Address”) + 14,
         str.length());
       break;
      }
     }
    }
   } catch (IOException ex) {
    return “Can’t Get MAC Address!”;
   }
   //
   if (strMAC.length() < 17) {
    return “Error!”;
   }
   macAddress = strMAC.substring(0, 2) + “:” + strMAC.substring(3, 5)
     + “:” + strMAC.substring(6, 8) + “:” + strMAC.substring(9, 11)
     + “:” + strMAC.substring(12, 14) + “:”
     + strMAC.substring(15, 17);
   //
   return macAddress;
}

public static void main(String[] args) {
   GetMACAddress getMACAddress = new GetMACAddress();
   System.out.println(getMACAddress.getMACAddress(“172.18.8.225”));

   try {
    java.lang.Process proc = Runtime.getRuntime().exec(“ipconfig /all”);
    InputStream istr = proc.getInputStream();
    byte[] data = new byte[1024];
    istr.read(data);
    String netdata = new String(data);
    System.out.println(“Your Mac Address=” + procAll(netdata));
   } catch (IOException e) {
    System.out.println(“error=” + e);
   }
}

public static String procAll(String str) {
   return procStringEnd(procFirstMac(procAddress(str)));
}

public static String procAddress(String str) {
   int indexof = str.indexOf(“Physical Address”);
   if (indexof > 0) {
    return str.substring(indexof, str.length());
   }
   return str;
}

public static String procFirstMac(String str) {
   int indexof = str.indexOf(“:”);
   if (indexof > 0) {
    return str.substring(indexof + 1, str.length()).trim();
   }
   return str;
}

public static String procStringEnd(String str) {

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