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c#获取季度时间实例代码(季度的第一天)

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这篇文章主要介绍了c#获取季度时间:季度的第一天、季度的最后一天等功能,大家参考使用吧

复制代码 代码如下:

string firstDayOfThisQuarter = DateTime.Now.AddMonths(0-(DateTime.Now.Month - 1)%3).ToString("yyyy-MM-01");
Console.WriteLine("本季度的第一天为:{0}",firstDayOfThisQuarter);

string lastDayOfThisQuarter = DateTime.Parse(DateTime.Now.AddMonths(3 - ((DateTime.Now.Month - 1)%3)).ToString("yyyy-MM-01")).AddDays(-1).ToShortDateString();
string lastDayOfThisQuarter2 = DateTime.Parse(DateTime.Now.AddMonths(3 - ((DateTime.Now.Month - 1) % 3)).ToString("yyyy-MM-01")).AddDays(-1).ToString("yyyy-MM-dd");
Console.WriteLine("本季度的最后一天为:{0}", lastDayOfThisQuarter);
Console.WriteLine("本季度的最后一天为:{0}", lastDayOfThisQuarter2);

string firstDayOfNextQuarter = DateTime.Now.AddMonths(3 - ((DateTime.Now.Month - 1) % 3)).ToString("yyyy-MM-01");
string lastDayOfNextQuarter = DateTime.Parse(DateTime.Now.AddMonths(6 - ((DateTime.Now.Month - 1) % 3)).ToString("yyyy-MM-01")).AddDays(-1).ToShortDateString();
Console.WriteLine("下季度的第一天为:{0}", firstDayOfNextQuarter);
Console.WriteLine("下季度的最后一天为:{0}", lastDayOfNextQuarter);

string firstDayOfLastQuarter = DateTime.Now.AddMonths(-3 - ((DateTime.Now.Month - 1) % 3)).ToString("yyyy-MM-01");
string lastDayOfLastQuarter = DateTime.Parse(DateTime.Now.AddMonths(0 - ((DateTime.Now.Month - 1) % 3)).ToString("yyyy-MM-01")).AddDays(-1).ToShortDateString();
Console.WriteLine("上季度的第一天为:{0}", firstDayOfLastQuarter);
Console.WriteLine("上季度的最后一天为:{0}", lastDayOfLastQuarter);

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