C# 根据出生年月 计算天数/计算X岁X月X天字符串
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | public class TimeTool { //根据出生年月计算 整数天 private static int GetAgeByBirthdate(DateTime birthdate) { 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 < 0 ? 0 : age; } //根据出生年月计算 X岁或X月X天或X天 public static string GetAgeByBirthday(DateTime birthday) { var currenttime = DateTime.Now; var diffTime = currenttime - birthday; if (diffTime.TotalDays >= 365) { //年龄计算 return GetAgeByBirthdate(birthday).ToString() + "岁" ; } else { //个月计算 var diffmonth = currenttime.Month - birthday.Month; var day = currenttime.Day - birthday.Day; if (day < 0) { diffmonth--; } if (diffmonth > 0) { DateTime newbirthday = birthday.AddMonths(diffmonth); day = ( int )((currenttime - newbirthday).TotalDays); return diffmonth.ToString() + "个月" + (day == 0 ? "" : day.ToString() + "天" ); } else { //直接计算天 return (( int )(diffTime.TotalDays)).ToString() + "天" ; } } } } |
本文来自博客园,作者:jevan,转载请注明原文链接:https://www.cnblogs.com/DoNetCShap/p/13707221.html
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