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ALTER FUNCTION GetRestDays
(
@StartTime DATETIME2,
@EndTime DATETIME2
)
RETURNS INT
AS
BEGIN
DECLARE @LegalRest INT --法定假期
DECLARE @AdjustmentDay INT--调休上班时间
DECLARE @SurplusDay INT --剩余工作日
DECLARE @CountDay INT --总共天数
SELECT @LegalRest=COUNT(0) FROM dbo.Holidays WHERE daytype=1 AND YearS=YEAR(GETDATE()) AND MONTH(Holiday)=MONTH(GETDATE())
AND Holiday>=@StartTime AND Holiday<=@EndTime
SELECT @AdjustmentDay=COUNT(0) FROM dbo.Holidays WHERE daytype=2 AND YearS=YEAR(GETDATE()) AND MONTH(Holiday)=MONTH(GETDATE())
AND Holiday>=@StartTime AND Holiday<=@EndTime
SET @SurplusDay= [dbo].[GetWorkerDays](@StartTime,DATEADD(DAY,1,@EndTime))--剩余工作日
SELECT @CountDay=COUNT(0) FROM dbo.TimeSpanDays(@StartTime ,DATEADD(DAY,1,@EndTime)) --总共天数 计算出 时间段总共天数
return @CountDay-@SurplusDay+@LegalRest-@AdjustmentDay
END
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