【C#】 获取计算机的硬件信息

添加引用：System.Management

  /// <summary>
         /// 获取本机的MAC地址
         /// </summary>
         /// <returns></returns>
         public static string GetMACString()
         {
             ManagementClass mAdapter = new ManagementClass("Win32_NetworkAdapterConfiguration");
             ManagementObjectCollection mo = mAdapter.GetInstances();
             foreach (ManagementBaseObject m in mo)
             {
                 if ((bool)m["IpEnabled"] == true)
                 {
                     return m["MacAddress"].ToString();
                 }
             }
             mo.Dispose();
             return null;
         }

         /// <summary>
         /// 获取CPU的个数
         /// </summary>
         /// <returns></returns>
         public static int GetCpuCount()
         {
             try
             {
                 using (ManagementClass mCpu = new ManagementClass("Win32_Processor"))
                 {
                     ManagementObjectCollection cpus = mCpu.GetInstances();
                     return cpus.Count;
                 }
             }
             catch
             {
             }
             return -;
         }

         /// <summary>
         /// 获取CPU的频率 这里之所以使用string类型的数组，主要是因为cpu的多核
         /// </summary>
         /// <returns></returns>
         public static string[] GetCpuMHZ()
         {
             ManagementClass mc = new ManagementClass("Win32_Processor");
             ManagementObjectCollection cpus = mc.GetInstances();

             string[] mHz = new string[cpus.Count];
             int c = ;
             ManagementObjectSearcher mySearch = new ManagementObjectSearcher("select * from Win32_Processor");
             foreach (ManagementObject mo in mySearch.Get())
             {
                 mHz[c] = mo.Properties["CurrentClockSpeed"].Value.ToString();
                 c++;
             }
             mc.Dispose();
             mySearch.Dispose();
             return mHz;
         }

         /// <summary>
         /// 获取硬盘的大小
         /// </summary>
         /// <returns></returns>
         public static string GetSizeOfDisk()
         {
             ManagementClass mc = new ManagementClass("Win32_DiskDrive");
             ManagementObjectCollection moj = mc.GetInstances();
             foreach (ManagementObject m in moj)
             {
                 return m.Properties["Size"].Value.ToString();
             }
             return "-1";
         }

         /// <summary>
         /// 获取内存的大小
         /// </summary>
         /// <returns></returns>
         public static string GetSizeOfMemery()
         {
             ManagementClass mc = new ManagementClass("Win32_OperatingSystem");
             ManagementObjectCollection moc = mc.GetInstances();

             double sizeAll = 0.0;
             foreach (ManagementObject m in moc)
             {
                 if (m.Properties["TotalVisibleMemorySize"].Value != null)
                 {
                     sizeAll += Convert.ToDouble(m.Properties["TotalVisibleMemorySize"].Value.ToString());
                 }
             }
             mc = null;
             moc.Dispose();

             return sizeAll.ToString();
         }

         /// <summary>
         /// 取CPU编号
         /// </summary>
         /// <returns></returns>
         public static String GetCpuID()
         {
             try
             {
                 ManagementClass mc = new ManagementClass("Win32_Processor");
                 ManagementObjectCollection moc = mc.GetInstances();

                 String strCpuID = null;
                 foreach (ManagementObject mo in moc)
                 {
                     strCpuID = mo.Properties["ProcessorId"].Value.ToString();
                     break;
                 }
                 return strCpuID;
             }
             catch
             {
                 return "";
             }

         }