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根據身份證號計算年齡

根據身份證號計算年齡 /// <summary> /// 計算年齡 /// </summary> /// <param name="str">18位身份證號碼</param> /// <returns></returns> public string CalculateAgeCorrect(string str)     { string Sub_str = str.Substring(6, 8).Insert(4, "-").Insert(7, "-");   //提取出生年月日,"1976-08-09" DateTime birthDate =
Convert.ToDateTime(Sub_str); DateTime now = DateTime.Now; int age = now.Year - birthDate.Year; if (now.Month < birthDate.Month || (now.Month == birthDate.Month && now.Day < birthDate.Day)) age--; return age.ToString();     }