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一、给定一个日期值,求出此日期所在星期的星期一和星期天的日期数据
例如给定一个日期 2010-09-01,求出它所在星期的星期一是2010-08-30,星期天是2010-09-05
Function创建如下:
复制代码 代码如下:
USE [MSSQL]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[My_OneDay_GetWeekFirstAndEndDay](@tmpDate DATETIME)
RETURNS @tmpTable TABLE(FirstDay DATETIME , EndDay DATETIME)
AS
BEGIN
INSERT INTO @tmpTable
SELECT a.FirstDay,b.EndDay FROM (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 0) AS FirstDAy
) a
LEFT JOIN (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 6) AS EndDay
) b
ON a.ID = b.ID
RETURN
End
Function测试:
复制代码 代码如下:
SELECT * from My_OneDay_GetWeekFirstAndEndDay('2010-09-01')
二、以上面单个日期搜索为基础,由用户输入两个参数,一个是开始日期,一个结束日期,根据这两个参数,求出在此时期段内的所有星期的星期一和星期天的日期表并排序。
例如开始日期是2011-09-01,结束日期是2011-10-06,我们就可以得到此星期表如下:
WeekOrder FirstDay EndDay
1 2011-08-29 00:00:00.000 2011-09-04 00:00:00.000
2 2011-09-05 00:00:00.000 2011-09-11 00:00:00.000
3 2011-09-12 00:00:00.000 2011-09-18 00:00:00.000
4 2011-09-19 00:00:00.000 2011-09-25 00:00:00.000
5 2011-09-26 00:00:00.000 2011-10-02 00:00:00.000
6 2011-10-03 00:00:00.000 2011-10-09 00:00:00.000
Function创建如下:
复制代码 代码如下:
USE [MSSQL]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[MY_Range_GetWeekFirstAndEndDays](@tmpDateSTART DATETIME,@tmpDateEND DATETIME)
RETURNS @tmpTable TABLE(WeekOrder INT,FirstDay DATETIME , EndDay DATETIME)
AS
BEGIN
DECLARE @tmpDate DATETIME
DECLARE @index INT
SET @tmpDate=@tmpDateSTART
SET @index=1
WHILE @tmpDate <=@tmpDateEND
BEGIN
INSERT INTO @tmpTable
SELECT @index,a.FirstDay,b.EndDay FROM (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 0) AS FirstDAy) a
LEFT JOIN (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 6) AS EndDay) b
ON a.ID = b.ID
SET @tmpDate=DATEADD(DAY,7,@tmpDate)
SET @index=@index+1
END
RETURN
End
Function测试:
复制代码 代码如下:
SELECT * from My_Range_GetWeekFirstAndEndDays('2011-09-01','2011-10-06')
例如给定一个日期 2010-09-01,求出它所在星期的星期一是2010-08-30,星期天是2010-09-05
Function创建如下:
复制代码 代码如下:
USE [MSSQL]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[My_OneDay_GetWeekFirstAndEndDay](@tmpDate DATETIME)
RETURNS @tmpTable TABLE(FirstDay DATETIME , EndDay DATETIME)
AS
BEGIN
INSERT INTO @tmpTable
SELECT a.FirstDay,b.EndDay FROM (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 0) AS FirstDAy
) a
LEFT JOIN (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 6) AS EndDay
) b
ON a.ID = b.ID
RETURN
End
Function测试:
复制代码 代码如下:
SELECT * from My_OneDay_GetWeekFirstAndEndDay('2010-09-01')
二、以上面单个日期搜索为基础,由用户输入两个参数,一个是开始日期,一个结束日期,根据这两个参数,求出在此时期段内的所有星期的星期一和星期天的日期表并排序。
例如开始日期是2011-09-01,结束日期是2011-10-06,我们就可以得到此星期表如下:
WeekOrder FirstDay EndDay
1 2011-08-29 00:00:00.000 2011-09-04 00:00:00.000
2 2011-09-05 00:00:00.000 2011-09-11 00:00:00.000
3 2011-09-12 00:00:00.000 2011-09-18 00:00:00.000
4 2011-09-19 00:00:00.000 2011-09-25 00:00:00.000
5 2011-09-26 00:00:00.000 2011-10-02 00:00:00.000
6 2011-10-03 00:00:00.000 2011-10-09 00:00:00.000
Function创建如下:
复制代码 代码如下:
USE [MSSQL]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[MY_Range_GetWeekFirstAndEndDays](@tmpDateSTART DATETIME,@tmpDateEND DATETIME)
RETURNS @tmpTable TABLE(WeekOrder INT,FirstDay DATETIME , EndDay DATETIME)
AS
BEGIN
DECLARE @tmpDate DATETIME
DECLARE @index INT
SET @tmpDate=@tmpDateSTART
SET @index=1
WHILE @tmpDate <=@tmpDateEND
BEGIN
INSERT INTO @tmpTable
SELECT @index,a.FirstDay,b.EndDay FROM (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 0) AS FirstDAy) a
LEFT JOIN (
SELECT 1 AS ID,DATEADD(wk, DATEDIFF(wk,0,@tmpDate), 6) AS EndDay) b
ON a.ID = b.ID
SET @tmpDate=DATEADD(DAY,7,@tmpDate)
SET @index=@index+1
END
RETURN
End
Function测试:
复制代码 代码如下:
SELECT * from My_Range_GetWeekFirstAndEndDays('2011-09-01','2011-10-06')
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饿虎岗资源网 Design By www.oxmxm.com
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