Java获取电脑硬件信息

 package com.szht.gpy.util;
 
 import java.applet.Applet;
 import java.awt.Graphics;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.InputStreamReader;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 
 public class HardWareUtils extends Applet {
     public HardWareUtils(){
     }
     private static final long serialVersionUID = 1L;
 
     @Override
     public void paint(Graphics paint) {
         super.paint(paint);
         paint.drawString("获取硬件信息", 10, 10);
         paint.drawString("CPU  SN:" + HardWareUtils.getCPUSerial(), 10, 30);
         paint.drawString("主板  SN:" + HardWareUtils.getMotherboardSN(), 10, 50);
         paint.drawString("C盘   SN:" + HardWareUtils.getHardDiskSN("c"), 10, 70);
         paint.drawString("MAC  SN:" + HardWareUtils.getMac(), 10, 90);
     }
 
     /**
      * 获取主板序列号
      *
      * @return
      */
     public static String getMotherboardSN() {
         String result = "";
         try {
             File file = File.createTempFile("realhowto", ".vbs");
             file.deleteOnExit();
             FileWriter fw = new java.io.FileWriter(file);
             String vbs = "Set objWMIService = GetObject(\"winmgmts:\\\\.\\root\\cimv2\")\n"
                     + "Set colItems = objWMIService.ExecQuery _ \n"
                     + "   (\"Select * from Win32_BaseBoard\") \n"
                     + "For Each objItem in colItems \n"
                     + "    Wscript.Echo objItem.SerialNumber \n"
                     + "    exit for  ' do the first cpu only! \n" + "Next \n";
 
             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();
         } catch (Exception e) {
             e.printStackTrace();
         }
         return result.trim();
     }
 
     /**
      * 获取硬盘序列号
      *
      * @param drive
      *            盘符
      * @return
      */
     public static String getHardDiskSN(String drive) {
         String result = "";
         try {
             File file = File.createTempFile("realhowto", ".vbs");
             file.deleteOnExit();
             FileWriter fw = new java.io.FileWriter(file);
 
             String vbs = "Set objFSO = CreateObject(\"Scripting.FileSystemObject\")\n"
                     + "Set colDrives = objFSO.Drives\n"
                     + "Set objDrive = colDrives.item(\""
                     + drive
                     + "\")\n"
                     + "Wscript.Echo objDrive.SerialNumber"; // see note
             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();
         } catch (Exception e) {
             e.printStackTrace();
         }
         return result.trim();
     }
 
     /**
      * 获取CPU序列号
      *
      * @return
      */
     public static String getCPUSerial() {
         String result = "";
         try {
             File file = File.createTempFile("tmp", ".vbs");
             file.deleteOnExit();
             FileWriter fw = new java.io.FileWriter(file);
             String vbs = "Set objWMIService = GetObject(\"winmgmts:\\\\.\\root\\cimv2\")\n"
                     + "Set colItems = objWMIService.ExecQuery _ \n"
                     + "   (\"Select * from Win32_Processor\") \n"
                     + "For Each objItem in colItems \n"
                     + "    Wscript.Echo objItem.ProcessorId \n"
                     + "    exit for  ' do the first cpu only! \n" + "Next \n";
             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();
         }
         if (result.trim().length() < 1 || result == null) {
             result = "无CPU_ID被读取";
         }
         return result.trim();
     }
 
     /**
      * 获取MAC地址
      */
     public static String getMac() {
         try {
             byte[] mac = NetworkInterface.getByInetAddress(InetAddress.getLocalHost()).getHardwareAddress();
             StringBuffer sb = new StringBuffer();
             for (int i = 0; i < mac.length; i++) {
                 if (i != 0) {
                     sb.append("-");
                 }
                 String s = Integer.toHexString(mac[i] & 0xFF);
                 sb.append(s.length() == 1 ? 0 + s : s);
             }
             return sb.toString().toUpperCase();
         } catch (Exception e) {
             return "";
         }
 
     }
 
     public static void main(String[] args) throws Exception {
         System.out.println(getCPUSerial());//CPU
         System.out.println(getMotherboardSN());//主板
         System.out.println(getHardDiskSN("c"));//c盘
         System.out.println(getMac());//MAC
         String msg  = getCPUSerial()+getMotherboardSN().replace(".", "")+getHardDiskSN("c")+getMac().replace("-", "");
         System.out.println("原始数据:"+msg);
 
         String encrypt = DesUtil.encrypt(msg);
         System.out.println("加密："+encrypt);
         String decrypt = DesUtil.decrypt(encrypt);
         System.out.println("解密:"+decrypt);
     }
 }