C# 讀取機器碼，CPU序列號，生成注冊碼類

有些CPU不支持獲取序列號。
獲取strCpu = myObject.Properties["Processorid"].Value.ToString();時，請判斷下返回是否為null，為null的話就說明cpu不支持。
獲取集合對象屬性，除非100%確定，否則不要直接訪問屬性。一旦返回空，就會報空引用錯誤

 

using System.Management;//需要在項目中添加System.Management引用

namespace ECBC_CDKEY
{
    public class SoftReg
    {
        /// <summary>
        /// 取得設備硬盤的卷標號
        /// </summary>
        /// <returns></returns>
        public string GetDiskVolumeSerialNumber()
        {
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
            disk.Get();
            return disk.GetPropertyValue("VolumeSerialNumber").ToString();
        }

        /// <summary>
        /// 獲得CPU的序列號
        /// </summary>
        /// <returns></returns>
        public string getCpu()
        {
            string strCpu = null;
            ManagementClass myCpu = new ManagementClass("win32_Processor");
            ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
            foreach (ManagementObject myObject in myCpuConnection)
            {
                strCpu = myObject.Properties["Processorid"].Value.ToString();
                break;
            }
            return strCpu;
        }

        /// <summary>
        /// 生成機器碼
        /// </summary>
        /// <returns></returns>
        public string getMNum()
        {
            string strNum = getCpu() + GetDiskVolumeSerialNumber();//獲得24位Cpu和硬盤序列號
            string strMNum = strNum.Substring(0, 24);//從生成的字符串中取出前24個字符做為機器碼
            return strMNum;
        }
        public int[] intCode = new int[127];//存儲密鑰
        public int[] intNumber = new int[25];//存機器碼的Ascii值
        public char[] Charcode = new char[25];//存儲機器碼字
        public void setIntCode()//給數組賦值小於10的數
        {
            for (int i = 1; i < intCode.Length; i++)
            {
                intCode[i] = i % 9;
            }
        }

        /// <summary>
        /// 生成注冊碼
        /// </summary>
        /// <returns></returns>
        public string getRNum()
        {
            setIntCode();//初始化127位數組
            string MNum = this.getMNum();//獲取注冊碼
            for (int i = 1; i < Charcode.Length; i++)//把機器碼存入數組中
            {
                Charcode[i] = Convert.ToChar(MNum.Substring(i - 1, 1));
            }
            for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一個整數組中。
            {
                intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);
            }
            string strAsciiName = "";//用於存儲注冊碼
            for (int j = 1; j < intNumber.Length; j++)
            {
                if (intNumber[j] >= 48 && intNumber[j] <= 57)//判斷字符ASCII值是否0－9之間
                {
                    strAsciiName += Convert.ToChar(intNumber[j]).ToString();
                }
                else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判斷字符ASCII值是否A－Z之間
                {
                    strAsciiName += Convert.ToChar(intNumber[j]).ToString();
                }
                else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判斷字符ASCII值是否a－z之間
                {
                    strAsciiName += Convert.ToChar(intNumber[j]).ToString();
                }
                else//判斷字符ASCII值不在以上范圍內
                {
                    if (intNumber[j] > 122)//判斷字符ASCII值是否大於z
                    {
                        strAsciiName += Convert.ToChar(intNumber[j] - 10).ToString();
                    }
                    else
                    {
                        strAsciiName += Convert.ToChar(intNumber[j] - 9).ToString();
                    }
                }
            }
            return strAsciiName;//返回注冊碼
        }
    }
}