(转)Java获得CPU序列号和网卡Mac地址

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　　/**
 * 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) {
  int indexof = str.indexOf("\r");
  if (indexof > 0) {
   return str.substring(0, indexof).trim();
  }
  return str;
 }
}