235 lines
7.6 KiB
C#
235 lines
7.6 KiB
C#
// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
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using System.Globalization;
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namespace Admin.NET.Core;
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public class IdCardHelper
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{
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/// <summary>
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/// 验证身份证合理性
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/// </summary>
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/// <param name="idNumber"></param>
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/// <returns></returns>
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public static bool CheckIdCard(string idNumber)
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{
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return CheckIdCard18(idNumber);
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}
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/// <summary>
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/// 18位身份证号码验证(该实现严格遵循GB11643-1999标准)
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/// </summary>
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private static bool CheckIdCard18(string idNumber)
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{
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// 检查长度是否为18位
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if (idNumber?.Length != 18) return false;
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// 数字验证：前17位必须为数字，最后一位为数字或X/x
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for (int i = 0; i < 17; i++)
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{
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if (!char.IsDigit(idNumber[i]))
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return false;
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}
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char lastChar = idNumber[17];
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if (!char.IsDigit(lastChar) && char.ToUpperInvariant(lastChar) != 'X')
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return false;
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// 省份验证
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string[] provinceCodes = { "11", "22", "35", "44", "53", "12", "23", "36", "45", "54", "13",
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"31", "37", "46", "61", "14", "32", "41", "50", "62", "15", "33",
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"42", "51", "63", "21", "34", "43", "52", "64", "65", "71", "81", "82", "91" };
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if (!provinceCodes.Contains(idNumber.Substring(0, 2)))
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return false;
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// 生日验证（使用明确格式）
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if (!DateTime.TryParseExact(
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$"{idNumber.Substring(6, 4)}-{idNumber.Substring(10, 2)}-{idNumber.Substring(12, 2)}",
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"yyyy-MM-dd",
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CultureInfo.InvariantCulture,
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DateTimeStyles.None,
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out _))
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{
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return false;
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}
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// 校验码验证
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int[] weightFactors = { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
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char[] checkCodes = "10X98765432".ToCharArray();
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int sum = 0;
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for (int i = 0; i < 17; i++)
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{
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sum += weightFactors[i] * (idNumber[i] - '0');
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}
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int checkIndex = sum % 11;
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char expectedCode = checkCodes[checkIndex];
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// 不区分大小写比较
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if (char.ToUpperInvariant(idNumber[17]) != char.ToUpperInvariant(expectedCode))
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return false;
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return true;
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}
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/// <summary>
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/// 15位身份证号码验证
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/// </summary>
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private static bool CheckIdCard15(string idNumber)
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{
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long n = 0;
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if (long.TryParse(idNumber, out n) == false || n < Math.Pow(10, 14))
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{
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return false;//数字验证
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}
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string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
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if (address.IndexOf(idNumber.Remove(2)) == -1)
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{
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return false;//省份验证
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}
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string birth = idNumber.Substring(6, 6).Insert(4, "-").Insert(2, "-");
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DateTime time = new DateTime();
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if (DateTime.TryParse(birth, out time) == false)
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{
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return false;//生日验证
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}
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return true;
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}
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/// <summary>
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/// 根据身份证号获取性别代码(Code)
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/// </summary>
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/// <param name="idNumber"></param>
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/// <returns></returns>
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public static GenderEnum GetGenderCode(string idNumber)
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{
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string gender = GetGender(idNumber);
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return gender switch
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{
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"男" => GenderEnum.Male,
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"女" => GenderEnum.Female,
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"未知的性别" => GenderEnum.Unknown,
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"未说明的性别" => GenderEnum.Unspecified,
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_ => GenderEnum.Unknown,
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};
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}
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/// <summary>
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/// 根据身份证号获取性别
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/// </summary>
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/// <param name="idNumber"></param>
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/// <returns></returns>
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public static string GetGender(string idNumber)
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{
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if (string.IsNullOrWhiteSpace(idNumber)) return string.Empty;
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try
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{
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string strSex = "";
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if (idNumber.Length == 18) strSex = idNumber.Substring(14, 3);
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//性别代码为偶数是女性奇数为男性
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strSex = int.Parse(strSex) % 2 == 0 ? "女" : "男";
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return strSex;
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}
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catch
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{
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return string.Empty;
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}
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}
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/// <summary>
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/// 根据身份证号，计算精确的年龄
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/// </summary>
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/// <param name="idNumber">生日</param>
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/// <returns></returns>
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public static string GetAge(string idNumber)
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{
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if (string.IsNullOrWhiteSpace(idNumber)) return null;
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try
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{
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DateTime birthDate = DateTime.Today;
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if (idNumber.Length == 18)
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{
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birthDate = new DateTime(
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int.Parse(idNumber.Substring(6, 4)),
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int.Parse(idNumber.Substring(10, 2)),
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int.Parse(idNumber.Substring(12, 2)));
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}
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else if (idNumber.Length == 15)
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{
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birthDate = new DateTime(
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int.Parse("19" + idNumber.Substring(6, 2)),
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int.Parse(idNumber.Substring(8, 2)),
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int.Parse(idNumber.Substring(10, 2)));
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}
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DateTime today = DateTime.Today;
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double totalDays = (today - birthDate).TotalDays;
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double exactAge = totalDays / 365.2425; // 使用天文年平均值
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exactAge = Math.Round(exactAge, 1);
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return exactAge.ToString("0.0");
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}
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catch
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{
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return string.Empty;
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}
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}
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/// <summary>
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/// 根据身份证号获取出生日期
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/// </summary>
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/// <param name="idNumber"></param>
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/// <returns></returns>
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public static DateTime GetBirthday(string idNumber)
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{
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if (string.IsNullOrWhiteSpace(idNumber)) return default;
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try
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{
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string birthday = "";
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if (idNumber.Length == 18)
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birthday = idNumber.Substring(6, 4) + "-" + idNumber.Substring(10, 2) + "-" + idNumber.Substring(12, 2);
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if (idNumber.Length == 15)
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birthday = "19" + idNumber.Substring(6, 2) + "-" + idNumber.Substring(8, 2) + "-" + idNumber.Substring(10, 2);
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return DateTime.Parse(birthday);
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}
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catch
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{
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return default;
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}
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}
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/// <summary>
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/// 根据出生日期，计算精确的年龄
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/// </summary>
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/// <param name="birthDay">生日</param>
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/// <returns></returns>
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public static string GetAgeByBirthDay(string birthDay)
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{
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string age = "";
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try
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{
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DateTime birthDate = DateTime.Parse(birthDay);
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DateTime nowDateTime = DateTime.Now;
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int _age = nowDateTime.Year - birthDate.Year;
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//再考虑月、天的因素
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if (nowDateTime.Month < birthDate.Month || (nowDateTime.Month == birthDate.Month && nowDateTime.Day < birthDate.Day))
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{
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_age--;
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}
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return _age.ToString();
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}
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catch
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{
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return age;
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}
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}
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} |