[英]Creating a week generator showing Week no, 1st day of week, last day of week of given date
我正在嘗試在 C# 中為我的工資單創建一個星期生成器。 我創建了一個類似的,它為給定日期創建一年中的幾個月。
對於給定的日期,我希望我的 output 如下所示。 EG Today 是 2010 年 7 月 4 日。
如果我 select 想要在上述日期的接下來的 10 周內,我想打印以下內容:
Week 1: F: 04/07/2011 L: 10/07/2011
Week 2: F: 11/07/2011 L: 17/07/2011
Week 3: F: 18/07/2011 L: 24/07/2011
Week 4: F: 25/07/2011 L: 31/07/2011
Week 1: F: 01/08/2011 L: 07/08/2011
Week 2: F: 08/08/2011 L: 14/08/2011
Week 3: F: 15/08/2011 L: 21/08/2011
Week 4: F: 22/08/2011 L: 28/08/2011
Week 5: F: 29/08/2011 L: 31/08/2011
Week 1: F: 01/09/2011 L: 07/09/2011
我希望以上內容適用於任何日期和我想要生成的任何周數。
有4個班:
程序.cs:
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
var dateInfos = GetDateInfo(DateTime.Now, 6);
foreach (var item in dateInfos)
Console.WriteLine("W: {0} F: {1} L: {2}", item.Week.ToString(), item.FirstDayOfWeek, item.LastDayOfWeek);
Console.ReadKey();
}
public static IList<DatesBag> GetDateInfo(DateTime givenDate, int numberOfWeeks)
{
var result = new List<DatesBag>();
result.Add(new DatesBag
{
Week = (WeeksOfAMonth)givenDate.Day,
FirstDayOfWeek = Week.GetFirstDayOfWeek(givenDate),
LastDayOfWeek = Week.GetLastDayOfWeek(givenDate)
});
for (int i = 1; i < numberOfWeeks; i++)
{
givenDate = givenDate.AddDays(7);
result.Add(new DatesBag { Week = (WeeksOfAMonth)givenDate.Day, FirstDayOfWeek = Week.GetFirstDayOfWeek(givenDate), LastDayOfWeek = Week.GetLastDayOfWeek(givenDate) });
}
return result;
}
}
}
DatesBag.cs:
namespace ConsoleApplication1
{
public class DatesBag
{
public WeeksOfAMonth Week { get; set; }
public DateTime FirstDayOfWeek { get; set; }
public DateTime LastDayOfWeek { get; set; }
}
}
WeeksOfAMonth.cs:
namespace ConsoleApplication2
{
public enum WeeksOfAMonth
{
Week1 = 1,
Week2,
Week3,
Week4,
Week5
}
}
周.cs
namespace Payroll.Util.Helpers
{
public static class Week
{
/// <summary>
/// Gets the first day of the week.
/// </summary>
/// <param name="givenDate">The given date.</param>
/// <returns>the first day of the week</returns>
public static DateTime GetFirstDayOfWeek(DateTime givenDate)
{
return new DateTime(givenDate.Year, givenDate.Month, givenDate.Day);
}
/// <summary>
/// Gets the last day of week.
/// </summary>
/// <param name="givenDate">The given date.</param>
/// <returns>the last day of the week</returns>
public static DateTime GetLastDayOfWeek(DateTime givenDate)
{
return GetFirstDayOfWeek(givenDate).AddDays(7).Subtract(new TimeSpan(1, 0, 0, 0, 0));
}
}
}
我的2個問題:
在 program.cs 中,我知道這一行是不正確的
Week = (WeeksOfAMonth)givenDate.Day,
如何顯示正確的星期?
無論該月是否已經結束,我的 givenDate 變量都會持續增加 7 天。 我希望它跳到下個月,即使該月的最后一周少於 7 天。 我如何做到這一點。
任何幫助表示贊賞。 對於那些在美國的人,獨立日快樂。
public static IList<DatesBag> GetDateInfo(DateTime givenDate, int numberOfWeeks)
{
var result = new List<DatesBag>();
for (int i = 0; i < numberOfWeeks; i++)
{
int firstWeekDay = Week.GetFirstDayOfWeek(givenDate).Day;
DatesBag datesBag = new DatesBag
{
Week = (WeeksOfAMonth) ((firstWeekDay / 7) + ((firstWeekDay % 7 == 0) ? 0 : 1)),
FirstDayOfWeek = Week.GetFirstDayOfWeek(givenDate),
LastDayOfWeek = Week.GetLastDayOfWeek(givenDate)
};
result.Add(datesBag);
givenDate = givenDate.AddDays(datesBag.WeekLength + 1);
}
return result;
}
public class DatesBag
{
public WeeksOfAMonth Week { get; set; }
public DateTime FirstDayOfWeek { get; set; }
public DateTime LastDayOfWeek { get; set; }
public int WeekLength { get { return LastDayOfWeek.Day - FirstDayOfWeek.Day; } }
}
public static class Week
{
public static DateTime GetFirstDayOfWeek(DateTime givenDate)
{
DateTime tmp = givenDate.Date;
while (tmp.AddDays(-1).Month == givenDate.Month && tmp.DayOfWeek > DayOfWeek.Monday)
{
tmp = tmp.AddDays(-1);
}
return tmp;
}
public static DateTime GetLastDayOfWeek(DateTime givenDate)
{
DateTime tmp = givenDate.Date;
while (tmp.AddDays(1).Month == givenDate.Month && tmp.DayOfWeek != DayOfWeek.Sunday)
{
tmp = tmp.AddDays(1);
}
return tmp;
}
}
不是我最好的工作,但它完成了工作。
using System;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
var weekStart = DateTime.Now;
DateTime nextWeek;
for (int i = 0; i < 10; i++)
{
var weekEnd = weekStart.AddDays(6);
if (weekEnd.Month != weekStart.Month)
{
weekEnd = new DateTime(weekStart.Year, weekStart.Month, 1).AddMonths(1).AddDays(-1);
nextWeek = weekEnd.AddDays(1);
}
else
{
nextWeek = weekStart.AddDays(7);
}
Console.WriteLine("Week {0}: F: {1} L: {2}", (weekStart.Day / 7) + 1, weekStart.ToShortDateString(), weekEnd.ToShortDateString());
weekStart = nextWeek;
}
Console.ReadKey();
}
}
}
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