在C＃中使用日期工作 [英] Working with date in C#

问题描述

我有许多公司每个人都有开幕日期和截止日期前：

I have many companies each one have a opening date and a closing date ex :

Company  Open   Close

---

A        08.00  22.00     (close in the **same** day)
B        10.00  02.00     (close in the **second** day)
C        14.00  03.00     (close in the **second** day)

在该网页的用户必须看到公司的名单，并显示每一个（打开或关闭）根据当前时间（服务器时间的状态）

On the web page the user must see a list of the companies and show the status of each one (open or close) depending on the current time (SERVER TIME)

问题：
当公司打开和关闭在同一天（A）可以很容易地获取状态
在下面的算法： isOpen会=（NOW＆GT;及的OpenTime NOW＆LT; ClosingTime）
，但如果该公司的在天开1 和关闭在每日2 （B，C）如果用户查看的页面1.00 B公司会出现关闭（因为（1.00 GT; 10.00 1.00 LT; 02.00）。为假），但在实时其打开

THE PROBLEM : when the company open and close in the same day ( A ) it's easy to get the status in the following algorithm : isOpen = (NOW > OpenTime AND NOW < ClosingTime) , but if the company open in day 1 and close in day 2 ( B , C ) if the user check the page at 1.00 the company B will appear closed (because (1.00 > 10.00 AND 1.00 < 02.00) is False ) but in real time its opened.

我怎样才能解决这个问题（当关闭时间日比开幕当天的时间不同）

How can I resolve this issue (when the closing time day is different than the opening time day)

推荐答案

我能想到的最简单的办法是检查是否列出的关闭时间小于开放时间，增加24小时，检查该值

The easiest solution I can think of would be to check if the close time listed is less than the open time and add 24 hours, and check against that value

isOpen = (NOW > OpenTime AND NOW < (ClosingTime < OpeningTime ? ClosingTime + 24.00 : ClosingTime)

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