有些CPU不支持获取序列号。
获取strCpu = myObject.Properties["Processorid"].Value.ToString();时，请判断下返回是否为null，为null的话就说明cpu不支持。
获取集合对象属性，除非100%确定，否则不要直接访问属性。一旦返回空，就会报空引用错误
using System.Management;//需要在项目中添加System.Management引用
namespace ECBC_CDKEY{public class SoftReg
{ /// <summary> /// 取得设备硬盘的卷标号 /// </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> /// 获得CPU的序列号 /// </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> /// 生成机器码 /// </summary> /// <returns></returns>public string getMNum()
{string strNum = getCpu() + GetDiskVolumeSerialNumber();//获得24位Cpu和硬盘序列号
string strMNum = strNum.Substring(0, 24);//从生成的字符串中取出前24个字符做为机器码
return strMNum;}
public int[] intCode = new int[127];//存储密钥
public int[] intNumber = new int[25];//存机器码的Ascii值
public char[] Charcode = new char[25];//存储机器码字
public void setIntCode()//给数组赋值小于10的数
{for (int i = 1; i < intCode.Length; i++)
{intCode[i] = i % 9;
}
}
/// <summary> /// 生成注册码 /// </summary> /// <returns></returns>public string getRNum()
{ setIntCode();//初始化127位数组string MNum = this.getMNum();//获取注册码
for (int i = 1; i < Charcode.Length; i++)//把机器码存入数组中
{Charcode[i] = Convert.ToChar(MNum.Substring(i - 1, 1));
}
for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一个整数组中。
{intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);
}
string strAsciiName = "";//用于存储注册码
for (int j = 1; j < intNumber.Length; j++)
{if (intNumber[j] >= 48 && intNumber[j] <= 57)//判断字符ASCII值是否0－9之间
{strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判断字符ASCII值是否A－Z之间
{strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判断字符ASCII值是否a－z之间
{strAsciiName += Convert.ToChar(intNumber[j]).ToString();
}
else//判断字符ASCII值不在以上范围内
{if (intNumber[j] > 122)//判断字符ASCII值是否大于z
{strAsciiName += Convert.ToChar(intNumber[j] - 10).ToString();
}
else {strAsciiName += Convert.ToChar(intNumber[j] - 9).ToString();
}
}
}
return strAsciiName;//返回注册码
}
}
}