创建节假日表:
USE [XHManage]
GO
/****** Object: table [dbo].[HolIDay] Script Date: 02/20/2014 17:51:54 ******/
SET ANSI_NulLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE table [dbo].[HolIDay](
[ID] [int] IDENTITY(1,1) NOT NulL,
[name] [nvarchar](50) NOT NulL,
[BeginDate] [datetime] NOT NulL,
[EndDate] [datetime] NOT NulL,
[AddUser] [nvarchar](50) NOT NulL,
[AddTime] [datetime] NOT NulL,
[Exchange] [bit] NOT NulL,
CONSTRAINT [PK_HolIDay] PRIMARY KEY CLUSTERED
(
[ID] ASC
)WITH (PAD_INDEX = OFF,STATISTICS_norECOmpuTE = OFF,IGnorE_DUP_KEY = OFF,ALLOW_ROW_LOCKS = ON,ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER table [dbo].[HolIDay] ADD CONSTRAINT [DF_HolIDay_AddTime] DEFAulT (getdate()) FOR [AddTime]
GO
ALTER table [dbo].[HolIDay] ADD CONSTRAINT [DF_HolIDay_Exchange] DEFAulT ((0)) FOR [Exchange]
GO
输入数据(2014年国家节假日设置数据):
INSERT INTO [XHManage].[dbo].[HolIDay]([name],[BeginDate],[EndDate],[AddUser],[AddTime],[Exchange])VALUES('元旦','2014-1-1','admin','2014-2-20',1)
INSERT INTO [XHManage].[dbo].[HolIDay]([name],[Exchange])VALUES('春节','2014-1-31','2014-2-6',[Exchange])VALUES('清明节','2014-4-5','2014-4-7',[Exchange])VALUES('劳动节','2014-5-1','2014-5-3',[Exchange])VALUES('端午节','2014-6-2',[Exchange])VALUES('中秋节','2014-9-8',[Exchange])VALUES('国庆节','2014-10-1','2014-10-7',[Exchange])VALUES('春节调休','2014-1-26','2014-2-8',[Exchange])VALUES('劳动节调休','2014-5-4',[Exchange])VALUES('国庆节调休','2014-9-28','2014-10-11',1)
go
create function [dbo].[WorkDay]
(
@beginday datetime,
@endday datetime
)
returns int
AS
begin
--set datefirst 1
declare @caldays int
declare @ID int
select @caldays=0
while DATEDIFF(d,@beginday,@endday)>=0
begin
if datepart(DW,@beginday)>1 and datepart(DW,@beginday)<7
begin
SELECT @ID=count(*) from HolIDay
where @beginday between begindate and DATEADD(s,-1,DATEADD(day,1,enddate)) and [Exchange]=0
if(@ID=0)
select @caldays=@caldays+1
end
else
begin
SELECT @ID=count(*) from HolIDay
where @beginday between begindate and DATEADD(s,enddate)) and [Exchange]=1
if(@ID>0)
select @caldays=@caldays+1
end
select @beginday=dateadd(day,@beginday)
end
return @caldays
end
测试:
go select dbo.[WorkDay]('2014-10-1','2014-10-31')as '工作日' select dbo.[WorkDay]('2014-9-1','2014-9-30')as '工作日' select dbo.[WorkDay]('2014-9-30','2014-9-30')as '工作日' select dbo.[WorkDay]('2014-6-1','2014-6-30')as '工作日'
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