C#常用操作类库五（电脑操作类）

   ///   <summary>
     ///  Computer Information
     ///   </summary>
     public  class ComputerHelper
    {
         public  string CpuID;
         public  string MacAddress;
         public  string DiskID;
         public  string IpAddress;
         public  string LoginUserName;
         public  string ComputerName;
         public  string SystemType;
         public  string TotalPhysicalMemory;  // 单位：M
         private  static ComputerHelper _instance;
         public  static ComputerHelper Instance()
        {
             if (_instance ==  null)
                _instance =  new ComputerHelper();
             return _instance;
        }
         public ComputerHelper()
        {
            CpuID = GetCpuID();
            MacAddress = GetMacAddress();
            DiskID = GetDiskID();
            IpAddress = GetIPAddress();
            LoginUserName = GetUserName();
            SystemType = GetSystemType();
            TotalPhysicalMemory = GetTotalPhysicalMemory();
            ComputerName = GetComputerName();
        }
         string GetCpuID()
        {
             try
            {
                 // 获取CPU序列号代码
                 string cpuInfo =  ""; // cpu序列号
                ManagementClass mc =  new ManagementClass( " Win32_Processor ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {
                    cpuInfo = mo.Properties[ " ProcessorId "].Value.ToString();
                }
                moc =  null;
                mc =  null;
                 return cpuInfo;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }

        }
         string GetMacAddress()
        {
             try
            {
                 // 获取网卡硬件地址
                 string mac =  "";
                ManagementClass mc =  new ManagementClass( " Win32_NetworkAdapterConfiguration ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {
                     if (( bool)mo[ " IPEnabled "] ==  true)
                    {
                        mac = mo[ " MacAddress "].ToString();
                         break;
                    }
                }
                moc =  null;
                mc =  null;
                 return mac;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }

        }
         string GetIPAddress()
        {
             try
            {
                 // 获取IP地址
                 string st =  "";
                ManagementClass mc =  new ManagementClass( " Win32_NetworkAdapterConfiguration ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {
                     if (( bool)mo[ " IPEnabled "] ==  true)
                    {
                         // st=mo["IpAddress"].ToString();
                        System.Array ar;
                        ar = (System.Array)(mo.Properties[ " IpAddress "].Value);
                        st = ar.GetValue( 0).ToString();
                         break;
                    }
                }
                moc =  null;
                mc =  null;
                 return st;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }

        }

         string GetDiskID()
        {
             try
            {
                 // 获取硬盘ID
                String HDid =  "";
                ManagementClass mc =  new ManagementClass( " Win32_DiskDrive ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {
                    HDid = ( string)mo.Properties[ " Model "].Value;
                }
                moc =  null;
                mc =  null;
                 return HDid;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }

        }

         ///   <summary>
         ///  操作系统的登录用户名
         ///   </summary>
         ///   <returns></returns>
         string GetUserName()
        {
             try
            {
                 string st =  "";
                ManagementClass mc =  new ManagementClass( " Win32_ComputerSystem ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {

                    st = mo[ " UserName "].ToString();

                }
                moc =  null;
                mc =  null;
                 return st;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }

        }


         ///   <summary>
         ///  PC类型
         ///   </summary>
         ///   <returns></returns>
         string GetSystemType()
        {
             try
            {
                 string st =  "";
                ManagementClass mc =  new ManagementClass( " Win32_ComputerSystem ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {

                    st = mo[ " SystemType "].ToString();

                }
                moc =  null;
                mc =  null;
                 return st;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }

        }

         ///   <summary>
         ///  物理内存
         ///   </summary>
         ///   <returns></returns>
         string GetTotalPhysicalMemory()
        {
             try
            {

                 string st =  "";
                ManagementClass mc =  new ManagementClass( " Win32_ComputerSystem ");
                ManagementObjectCollection moc = mc.GetInstances();
                 foreach (ManagementObject mo  in moc)
                {

                    st = mo[ " TotalPhysicalMemory "].ToString();

                }
                moc =  null;
                mc =  null;
                 return st;
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }
        }
         ///   <summary>
         ///  
         ///   </summary>
         ///   <returns></returns>
         string GetComputerName()
        {
             try
            {
                 return System.Environment.GetEnvironmentVariable( " ComputerName ");
            }
             catch
            {
                 return  " unknow ";
            }
             finally
            {
            }
        }


    }