如何根据持续时间和开始日期计算日期 [英] How to calculate the date based on duration and start Date

问题描述

我想根据Atrt日期和持续时间来计算结束日期.在这里，我要避免星期六和星期日，并且要计算剩余天数.如何在Javascript和C#中做到这一点.例如，持续时间为7，开始日期为2012年6月29日
那么答案应为2012年8月7日，应避免使用星期六和星期日.



在此先感谢

Hi,

I want to calculate the end date based on Atrt date and duration. Here I want to avoid the Saturday and Sunday and I want to calculate remaining days. How to do this one in Javascript and also in C#. Example the Duration is 7 and start date is 29/06/2012
Then the answer should come as 08/07/2012 It should avoid the Saturday and Sunday.



Thanks in Advance

推荐答案

^ ]可能会帮助您入门，此 [

This[^] will help to get you started as might this[^].

假设您仅添加整个日期，而忽略诸如时间变化之类的内容，则应执行以下类似操作:

Assuming that you add whole date only and ignore thing like time changes, something similar to this should do:

int daysTillStaturday = (int)DayOfWeek.Saturday - (int)startDate.DayOfWeek;
if (durationInDays < daysTillStaturday)
    return startDate.AddDays(durationInDays);

int remainingDays = durationInDays - daysTillStaturday;

// Skip first weekend and an extra one for each 5 days.
int weekendsCount = 1 + (remainingDays / 5);

// Compute final date by adding extra weekend days...
return startDate.AddDays(durationInDays + 2 * weekendsCount);

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