C# 比较一天中两个时间的最佳方法
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C# best way to compare two time of the day
提问by Toto
I woulld like to know if a specified time of the day is passed. I don't really like the way I am doing:
我想知道一天中的指定时间是否已过。我真的不喜欢我做的方式：
private static readonly TimeSpan _whenTimeIsOver = new TimeSpan(16,25,00);
internal static bool IsTimeOver()
{
return DateTime.Now.TimeOfDay.Subtract(_whenTimeIsOver ).Ticks > 0;
}
How do you do?
你好吗？
采纳答案by Jon Skeet
How about:
怎么样：
internal static bool IsTimeOver()
{
return DateTime.Now.TimeOfDay > _whenTimeIsOver;
}
Operator overloading is very helpful for date and time work :) You might also want to consider making it a property instead of a method.
运算符重载对于日期和时间工作非常有帮助 :) 您可能还需要考虑将其设为属性而不是方法。
It's a slight pity that there isn't a
有点遗憾没有
DateTime.CurrentTime
or
或者
TimeSpan.CurrentTime
to avoid DateTime.Now.TimeOfDay(just as there's DateTime.Today) but alas, no...
避免DateTime.Now.TimeOfDay（就像那里一样DateTime.Today）但是唉，不......
I have a set of extension methods on intin MiscUtilwhich would make the initialization of _whenTimeIsOverneater - you'd use:
我int在MiscUtil 中有一组扩展方法，可以使初始化_whenTimeIsOver更整洁 - 您可以使用：
private static readonly TimeSpan _whenTimeIsOver = 16.Hours() + 25.Minutes();
It's not to everyone's tastes, but I like it...
不是每个人的口味，但我喜欢它......
回答by Philippe Leybaert
if (DateTime.Now.TimeOfDay > _whenTimeIsOver)
....
