WMI获取硬件信息封装函数方法(联想台式机出厂编号 CPUID BIOS序列号 硬盘信息 显卡信息 MAC地址)

private static string identifier(string wmiClass, string wmiProperty, string wmiMustBeTrue)
        {
            string result = "";
            System.Management.ManagementClass mc = new System.Management.ManagementClass(wmiClass);
            System.Management.ManagementObjectCollection moc = mc.GetInstances();
            foreach (System.Management.ManagementObject mo in moc)
            {
                if (mo[wmiMustBeTrue].ToString() == "True")
                {
                    if (result == "")
                    {
                        try
                        {
                            result = mo[wmiProperty].ToString();
                            break;
                        }
                        catch
                        {
                        }
                    }

                }
            }
            return result;
        }

        private static string identifier(string wmiClass, string wmiProperty)
        {
            string result = "";
            System.Management.ManagementClass mc = new System.Management.ManagementClass(wmiClass);
            System.Management.ManagementObjectCollection moc = mc.GetInstances();
            foreach (System.Management.ManagementObject mo in moc)
            {
                if (result == "")
                {
                    try
                    {
                        result = mo[wmiProperty].ToString();
                        break;
                    }
                    catch
                    {
                    }
                }

            }
            return result;
        }

private static string cpuId()
        {    
            string retVal = identifier("Win32_Processor", "UniqueId");  //CPUID  
            retVal += identifier("Win32_Processor", "ProcessorId");
            retVal += identifier("Win32_Processor", "Name");  //处理器名称
            retVal += identifier("Win32_Processor", "Manufacturer");  //处理器制造商
            retVal +=identifier("Win32_Processor", "MaxClockSpeed");  //最大时钟频率
            return retVal;
        }

//BIOS信息
        private static string biosId()
        {
            return identifier("Win32_BIOS", "Manufacturer")          //BIOS制造商名称
                    + identifier("Win32_BIOS", "SMBIOSBIOSVersion")  //
                    + identifier("Win32_BIOS", "IdentificationCode") //
                    + identifier("Win32_BIOS", "SerialNumber")       //BIOS序列号
                    + identifier("Win32_BIOS", "ReleaseDate")        //出厂日期
                    + identifier("Win32_BIOS", "Version");           //版本号
        }

private static string diskId()
        {
            return identifier("Win32_DiskDrive", "Model")           //模式
                    + identifier("Win32_DiskDrive", "Manufacturer") //制造商
                    + identifier("Win32_DiskDrive", "Signature")    //签名
                    + identifier("Win32_DiskDrive", "TotalHeads");  //扇区头
        }

private static string videoId()
         {
            return identifier("Win32_VideoController", "DriverVersion")
                     + identifier("Win32_VideoController", "Name");
        }

private static string macId()
         {
             return identifier("Win32_NetworkAdapterConfiguration", "MACAddress", "IPEnabled");
        }