/// <summary>
/// 计算截至日期为几号
/// </summary>
/// <param name="currentDay">当前日期</param>
/// <param name="days">几个工作日</param>
/// <returns>应该在几号完成 yyyy-MM-dd</returns>
public static string CalculateDays(DateTime currentDate, int days)
{
// 计算有几个节假日
string where = BaseHolidaysEntity.FieldHoliday + " >= '" + currentDate.ToString(BaseSystemInfo.DateFormat) + "'";
BaseHolidaysManager manager = new DotNet.Business.BaseHolidaysManager();
List <BaseHolidaysEntity> listEntity = manager.GetList <BaseHolidaysEntity>(where);
DateTime endDay = currentDate;
bool find = false;
for (int i = 0; i < days; i++)
{
find = false;
endDay = endDay.AddDays(1);
// 若这个日期是节假日，需要继续加一天
find = listEntity.Count(entity => !string.IsNullOrEmpty(entity.Holiday) && entity.Holiday.Equals(endDay.ToString(BaseSystemInfo.DateFormat), StringComparison.OrdinalIgnoreCase)) > 0;
while (find)
{
// 若这个日期是节假日，需要继续加一天
endDay = endDay.AddDays(1);
find = listEntity.Count(entity => !string.IsNullOrEmpty(entity.Holiday) && entity.Holiday.Equals(endDay.ToString(BaseSystemInfo.DateFormat), StringComparison.OrdinalIgnoreCase)) > 0;
}
}
// 计算
return(endDay.ToString(BaseSystemInfo.DateFormat));
}
/// <summary>
/// 前日期与指定一个日期之间的， 工作日天数对吧？
/// </summary>
/// <param name="currentDate">开始日期 yyyy-MM-dd</param>
/// <param name="endDate">结束日期 yyyy-MM-dd</param>
/// <returns>工作日天数</returns>
public static int CalculateWorkDays(string currentDate, string endDate)
{
int result = 0;
// 计算这2个日期相差几天
DateTime from = DateTime.Parse(currentDate);
DateTime to = DateTime.Parse(endDate);
TimeSpan timeSpan = new TimeSpan(to.Ticks).Subtract(new TimeSpan(from.Ticks)).Duration();
if (from <= to)
{
result = timeSpan.Days;
}
else
{
result = timeSpan.Days * -1;
}
currentDate = from.ToString("yyyy-MM-dd");
endDate = to.ToString("yyyy-MM-dd");
// 计算有几个节假日
string where = BaseHolidaysEntity.FieldHoliday + " >= '" + currentDate + "'" +
" AND " + BaseHolidaysEntity.FieldHoliday + " <= '" + endDate + "'";
if (result < 0)
{
where = BaseHolidaysEntity.FieldHoliday + " >= '" + endDate + "'" +
" AND " + BaseHolidaysEntity.FieldHoliday + " <= '" + currentDate + "'";
}
BaseHolidaysManager manager = new DotNet.Business.BaseHolidaysManager();
List <BaseHolidaysEntity> listEntity = manager.GetList <BaseHolidaysEntity>(where);
// 在数据库里找还有几个工作日
if (result > 0)
{
// 还没超期的时候
result = result - listEntity.Count;
}
else
{
// 已经超期了,把休息日去掉
result = result + listEntity.Count;
}
return(result);
}