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
代码
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 } }}
内容来源:http://blog.sina.com.cn/s/blog_645919c40100gryh.html
时间: 2024-10-20 13:14:03