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标题: C#验证身份证号码正确性 [打印本页]

作者: Adam丶鱼 时间: 2020-6-24 19:40
标题: C#验证身份证号码正确性
private static bool CheckIDCard18(string Id)
      {
         long n = 0;
         if (long.TryParse(Id.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(Id.Replace('x', '0').Replace('X', '0'), out n) == false)
         {
            return false;
         }
         string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
         if (address.IndexOf(Id.Remove(2)) == -1)
         {
            return false;
         }
         string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
         DateTime time = new DateTime();
         if (DateTime.TryParse(birth, out time) == false)
         {
            return false;
         }
         string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
         string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
         char[] Ai = Id.Remove(17).ToCharArray();
         int sum = 0;
         for (int i = 0; i < 17; i++)
         {
            sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
         }
         int y = -1;
         Math.DivRem(sum, 11, out y);
         if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower())
         {
            return false;
         }
         return true;//正确
      }

作者: Adam丶鱼 时间: 2020-6-24 19:40

作者: 张兴康 时间: 2020-6-25 17:56

作者: fteair 时间: 2020-6-26 14:35

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