1using System;
  2//该源码下载自www.51aspx.com(５１aｓｐｘ．ｃｏｍ)
  3/**//// <summary>
  4/// Summary description for IDCardValid
  5/// </summary>
  6public class IDCardValid
  7...{
  8    public IDCardValid()
  9    ...{
 10        //
 11        // TODO: Add constructor logic here
 12        //
 13    }
 14
 15    /**//// <summary>
 16    /// 验证身份证号码
 17    /// </summary>
 18    /// <param name="Id">身份证号码</param>
 19    /// <returns>验证成功为True，否则为False</returns>
 20    public static bool CheckIDCard(string Id)
 21    ...{
 22        if (Id.Length == 18)
 23        ...{
 24            bool check = CheckIDCard18(Id);
 25            return check;
 26        }
 27        else if (Id.Length == 15)
 28        ...{
 29            bool check = CheckIDCard15(Id);
 30            return check;
 31        }
 32        else
 33        ...{
 34            return false;
 35        }
 36    }
 37
 38    身份证号码验证#region 身份证号码验证
 39
 40    /**//// <summary>
 41    /// 验证15位身份证号
 42    /// </summary>
 43    /// <param name="Id">身份证号</param>
 44    /// <returns>验证成功为True，否则为False</returns>
 45    private static bool CheckIDCard18(string Id)
 46    ...{
 47        long n = 0;
 48        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)
 49        ...{
 50            return false;//数字验证
 51        }
 52        string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
 53        if (address.IndexOf(Id.Remove(2)) == -1)
 54        ...{
 55            return false;//省份验证
 56        }
 57        string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
 58        DateTime time = new DateTime();
 59        if (DateTime.TryParse(birth, out time) == false)
 60        ...{
 61            return false;//生日验证
 62        }
 63        string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
 64        string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
 65        char[] Ai = Id.Remove(17).ToCharArray();
 66        int sum = 0;
 67        for (int i = 0; i < 17; i++)
 68        ...{
 69            sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
 70        }
 71        int y = -1;
 72        Math.DivRem(sum, 11, out y);
 73        if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower())
 74        ...{
 75            return false;//校验码验证
 76        }
 77        return true;//符合GB11643-1999标准
 78    }
 79
 80    /**//// <summary>
 81    /// 验证18位身份证号
 82    /// </summary>
 83    /// <param name="Id">身份证号</param>
 84    /// <returns>验证成功为True，否则为False</returns>
 85    private static bool CheckIDCard15(string Id)
 86    ...{
 87        long n = 0;
 88        if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))
 89        ...{
 90            return false;//数字验证
 91        }
 92        string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
 93        if (address.IndexOf(Id.Remove(2)) == -1)
 94        ...{
 95            return false;//省份验证
 96        }
 97        string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
 98        DateTime time = new DateTime();
 99        if (DateTime.TryParse(birth, out time) == false)
100        ...{
101            return false;//生日验证
102        }
103        return true;//符合15位身份证标准
104    }
105    #endregion
106}
107