DECLARE @Date datetime
DECLARE @StartDate datetime
DECLARE @EndDate datetime
DECLARE @WeekDay int
DECLARE @i int
CREATE TABLE #T ([Date] NVARCHAR(10))
SET DATEFIRST 7 --设置每周的第一天
SET @StartDate='2000-01-01' --统计的开始日期
SET @EndDate='2020-12-31' --统计的结束日期
SET @WeekDay=1 --根据实际的@@DATEFIRST而定，一般默认是7，如 @StartDate='2006-01-01'时候， @WeekDay=3表示星期二
SET @i=DATEPART(weekday,@StartDate)
IF(@i<=@WeekDay AND @i<7)
SET @i=@WeekDay-@i
ELSE IF(@i<=@WeekDay AND @i=7)
SET @i=@i-@WeekDay
ELSE
SET @i=@@DATEFIRST-@i+@WeekDay
SET @Date=DATEADD(day,@i,@StartDate)
WHILE @Date<=@EndDate
BEGIN
IF(@StartDate<=@Date) INSERT INTO #T SELECT CONVERT(nvarchar(10),@Date,121)
SET @Date=DATEADD(Week,1,@Date)
END
SELECT * FROM #T
DROP TABLE #T
GO