如何显示两个日期之间的差异为00Y 00M [英] How to display difference between two dates as 00Y 00M

问题描述

在C＃中给出两个DateTimes，如何在几年和几个月内显示差异？

我可以在简单减法的时间段上做基本的算术，这不会考虑到月份，闰年等不同的长度。

感谢任何帮助。

解决方案

因为底线表示是从AD公元1月1日凌晨12:00开始以100纳秒的刻度进行测量的，所以减法会十分正确地处理闰年;

  DateTime date1 = ... 
 DateTime date2 = ... 
 
 // date2必须在date1 
 
 TimeSpan差异= date2.Subtract（date1）; 
 DateTime age = new DateTime（tsAge.Ticks）; 
 
 int years = age.Years  -  1; 
 int months = age.Month  -  1; 
 
 Console.WriteLine（{0} Y，{1} M，年，月）; 
  

Given two DateTimes in C#, how can I display the difference in years and months?

I can do basic arithmatic on the timespan that comes from a simple subtraction but this won't take into account the differing lengths of months, leap years etc.

Thanks for any help.

解决方案

Because the underlying representation is measured in 100-nanosecond ticks since 12:00 midnight, January 1, 1 A.D., a subtraction will handle leap years etc. quite correctly:

DateTime date1 = ...
DateTime date2 = ...

// date2 must be after date1

TimeSpan difference = date2.Subtract(date1);
DateTime age=new DateTime(tsAge.Ticks); 

int years = age.Years - 1;
int months = age.Month - 1;

Console.WriteLine("{0}Y, {1}M", years, months);

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