using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; namespace calculateAgeBirthdatSexDemo { public class Program { public static void Main(string[] args) { string identityCard = "51238119989718125X";//隨機拼寫 BirthdayAgeSex entity = new BirthdayAgeSex(); entity=GetBirthdayAgeSex(identityCard); if (entity != null) { Console.WriteLine(entity.Birthday + "-----" + entity.Sex + "-----" + entity.Age); } Console.ReadLine(); } public static BirthdayAgeSex GetBirthdayAgeSex(string identityCard) { if (string.IsNullOrEmpty(identityCard)) { return null; } else { //身份證長度15位一代身份證,18位位二代;其他不合法 if (identityCard.Length != 15 && identityCard.Length != 18) { return null; } } BirthdayAgeSex entity = new BirthdayAgeSex(); string strSex = string.Empty; //處理18位的身份證號碼從號碼中得到生日和性別代碼 if (identityCard.Length == 18) { entity.Birthday = identityCard.Substring(6, 4) + "-" + identityCard.Substring(10, 2) + "-" + identityCard.Substring(12, 2); strSex = identityCard.Substring(14, 3); } if (identityCard.Length == 15) { entity.Birthday = "19" + identityCard.Substring(6, 2) + "-" + identityCard.Substring(8, 2) + "-" + identityCard.Substring(10, 2); strSex = identityCard.Substring(12, 3); } entity.Age = CalculateAge(entity.Birthday);//根據生日計算年齡 if (int.Parse(strSex) % 2 == 0)//性別代碼爲偶數是女性奇數爲男性 { entity.Sex = "女"; } else { entity.Sex = "男"; } return entity; } /// <summary> /// 根據出生日期,計算精確的年齡 /// </summary> /// <param name="birthDate">生日</param> /// <returns></returns> public static int CalculateAge(string birthDay) { DateTime birthDate=DateTime.Parse(birthDay); DateTime nowDateTime=DateTime.Now; int age = nowDateTime.Year - birthDate.Year; //再考慮月、天的因素 if (nowDateTime.Month < birthDate.Month || (nowDateTime.Month == birthDate.Month && nowDateTime.Day < birthDate.Day)) { age--; } return age; } /// <summary> /// 定義 生日年齡性別 實體 /// </summary> public class BirthdayAgeSex { public string Birthday { get; set; } public int Age { get; set; } public string Sex { get; set; } } } }
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原文鏈接:https://blog.csdn.net/qq_45244974/article/details/113995545