C#跳过工作日，计算几个工作日之后到期的方法
需求：消费者投诉企业，企业在2个工作日之内做出应答。
分析：1.工作日要刨去周末和法定节假日，而且每年的节假日不一样。
2.消费者可以在任意时间发起投诉，如果在非工作日发起了投诉，那么计算时间应该从工作日开始计算，就要刨去当日的时和分。
以下是代码：
public class HolidayHelper
{
/// <summary>
/// 判断法定工作日
/// </summary>
/// <param name="dt">时间</param>
/// <returns>0上班，1不需要上班的周末（也包括节假日），2法定节假日</returns>
public static int IsHolidayOrWeek(DateTime dt)
{
//特殊的周末（周末却上班）
string[] specalWeek2009 = { "0104", "0124", "0201", "0531", "0927", "1010" };
string[] specalWeek2010 = { "0220", "0221", "0612", "0613", "0919", "0925", "0926", "1009" };
string[] specalWeek2011 = { "0130", "0212", "0402", "1008", "1009" };
string[] specalWeek2012 = { "0129", "0331", "0401", "0428", "0929" };
string[] specalWeek2013 = { "0105", "0106", "0216", "0217", "0407", "0427", "0428", "0608", "0609", "0922", "0929", "1012" };
string[] specalWeek2014 = { "0126", "0208", "0504", "0928", "1011" };
string[] specalWeek2015 = { "0104", "0215", "0228", "0906", "1010" };
string[] specalWeek2016 = { "0206", "0214", "0612", "0918", "1008", "1009" };
string[] specalWeek2017 = { "0122", "0204", "0401", "0527", "0930" };
//法定假日
string[] holiday2009 = { "0101", "0102", "0103", "0125", "0126", "0127", "0128", "0129", "0130", "0131", "0404", "0405", "0406", "0501", "0502", "0503", "0528", "0529", "0530", "1001", "1002", "1003", "1004", "1005", "1006", "1007", "1008", };
string[] holiday2010 = { "0101", "0102", "0103", "0213", "0214", "0215", "0216", "0217", "0218", "0219", "0403", "0404", "0405", "0501", "0502", "0503", "0614", "0615", "0616", "0922", "0923", "0924", "1001", "1002", "1003", "1004", "1005", "1006", "1007" };
string[] holiday2011 = { "0101", "0102", "0103", "0202", "0203", "0204", "0205", "0206", "0207", "0208", "0403", "0404", "0405", "0430", "0501", "0502", "0604", "0605", "0606", "0910", "0911", "0912", "1001", "1002", "1003", "1004", "1005", "1006", "1007", };
string[] holiday2012 = { "0101", "0102", "0103", "0122", "0123", "0124", "0125", "0126", "0127", "0128", "0402", "0403", "0404", "0429", "0430", "0501", "0622", "0623", "0624", "0930", "1001", "1002", "1003", "1004", "1005", "1006", "1007", };
string[] holiday2013 = { "0101", "0102", "0103", "0209", "0210", "0211", "0212", "0213", "0214", "0215", "0404", "0405", "0406", "0429", "0430", "0501", "0610", "0611", "0612", "0919", "0920", "0921", "1001", "1002", "1003", "1004", "1005", "1006", "1007", };
string[] holiday2014 = { "0101", "0131", "0201", "0202", "0203", "0204", "0205", "0206", "0405", "0406", "0407", "0501", "0502", "0503", "0602", "0908", "1001", "1002", "1003", "1004", "1005", "1006", "1007", };
string[] holiday2015 = { "0101", "0102", "0103", "0218", "0219", "0220", "0221", "0222", "0223", "0224", "0404", "0405", "0406", "0501", "0502", "0503", "0620", "0621", "0622", "0903", "0904", "0905", "0927", "1001", "1002", "1003", "1004", "1005", "1006", "1007", };
string[] holiday2016 = { "0101", "0207", "0208", "0209", "0210", "0211", "0212", "0213", "0404", "0501", "0502", "0609", "0610", "0611", "0915", "0916", "0917", "1001", "1002", "1003", "1004", "1005", "1006", "1007", };
string[] holiday2017 = { "0101", "0102", "0127", "0128", "0129", "0130", "0131", "0201", "0202", "0403", "0404", "0501", "0529", "0530", "1001", "1002", "1003", "1004", "1005", "1006", };
bool isHoildayOrWeek = false;
//取年
string weekYear = dt.Year.ToString();
//取月日
string[] weekDate = { dt.ToString("MMdd") };
//判断周末
if ((int)dt.DayOfWeek == 0 || (int)dt.DayOfWeek == 6)
{
//周末是否需要上班
switch (weekYear)
{
case "2009":
isHoildayOrWeek = specalWeek2009.Intersect(weekDate).Count() == 0;
break;
case "2010":
isHoildayOrWeek = specalWeek2010.Intersect(weekDate).Count() == 0;
break;
case "2011":
isHoildayOrWeek = specalWeek2011.Intersect(weekDate).Count() == 0;
break;
case "2012":
isHoildayOrWeek = specalWeek2012.Intersect(weekDate).Count() == 0;
break;
case "2013":
isHoildayOrWeek = specalWeek2013.Intersect(weekDate).Count() == 0;
break;
case "2014":
isHoildayOrWeek = specalWeek2014.Intersect(weekDate).Count() == 0;
break;
case "2015":
isHoildayOrWeek = specalWeek2015.Intersect(weekDate).Count() == 0;
break;
case "2016":
isHoildayOrWeek = specalWeek2016.Intersect(weekDate).Count() == 0;
break;
case "2017":
isHoildayOrWeek = specalWeek2017.Intersect(weekDate).Count() == 0;
break;
}
}
if (isHoildayOrWeek)
{
return 1;
}
//判断法定节假日
switch (weekYear)
{
case "2009":
isHoildayOrWeek = holiday2009.Intersect(weekDate).Count() > 0;
break;
case "2010":
isHoildayOrWeek = holiday2010.Intersect(weekDate).Count() > 0;
break;
case "2011":
isHoildayOrWeek = holiday2011.Intersect(weekDate).Count() > 0;
break;
case "2012":
isHoildayOrWeek = holiday2012.Intersect(weekDate).Count() > 0;
break;
case "2013":
isHoildayOrWeek = holiday2013.Intersect(weekDate).Count() > 0;
break;
case "2014":
isHoildayOrWeek = holiday2014.Intersect(weekDate).Count() > 0;
break;
case "2015":
isHoildayOrWeek = holiday2015.Intersect(weekDate).Count() > 0;
break;
case "2016":
isHoildayOrWeek = holiday2016.Intersect(weekDate).Count() > 0;
break;
case "2017":
isHoildayOrWeek = holiday2017.Intersect(weekDate).Count() > 0;
break;
}
if (isHoildayOrWeek)
{
return 2;
}
return 0;
}
/// <summary>
/// 工作日时间差
/// </summary>
/// <param name="days">几个工作日后</param>
/// <returns>延迟毫秒数</returns>
public static double GetDelpyTime(int days)
{
int sign = 0;
for (int i = 0; i < days; i++)
{
if (i == 0 && IsHolidayOrWeek(DateTime.Now.AddDays(i)) > 0)
{
//非工作日发起的投诉，要抹掉小时和分钟
sign = 1;
}
if (IsHolidayOrWeek(DateTime.Now.AddDays(i)) > 0)
{
days = days + 1;
};
}
TimeSpan ts = new TimeSpan();
if (sign == 1)
{
ts = (DateTime.Now.AddDays(days) - DateTime.Now.AddHours(DateTime.Now.Hour).AddMinutes(DateTime.Now.Minute));
}
else
{
ts = DateTime.Now.AddDays(days) - DateTime.Now;
}
return ts.TotalMilliseconds;
}
}
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