SQL语句生成日历

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转载：SQL语句生成日历

-- create by zhouxin
-- create time 2009-9-14-15
DECLARE @Year nvarchar(4)
DECLARE @YearMonth nvarchar(7) --月份
DECLARE @strTop nvarchar(200)
DECLARE @ForI INT,@ForYear INT ,@MaxDay INT
DECLARE @RowX INT --行位置
DECLARE @strWeekDayList nvarchar(20)
DECLARE @strPrint nvarchar(300)
-- ======================================
SET @Year='2021' --请在这里输入年份
-- ======================================
SET @strTop= '日'+char(9)+'一'+char(9)+'二' +char(9)+'三'++char(9)+'四'++char(9)+'五'++char(9)+'六' +char(13)+
'───────────────────────────'
SET @strWeekDayList='日一二三四五六'
SET @ForYear=1
WHILE @ForYear<=12 --1月份至月份
BEGIN
SET @YearMonth=@Year + '-' +CAST( @ForYear AS nvarchar(2))
SET @MaxDay=DAY(DATEADD(Day,-1,DATEADD(Month,1,@YearMonth+'-01')))
SET @RowX=CHARINDEX(RIGHT(DATENAME(WeekDay,@YearMonth+'-01'),1),@strWeekDayList)-1
SET @strPrint=''
SET @ForI=1
WHILE @ForI<=@RowX --构造号的位置
BEGIN
SET @strPrint=@strPrint+CHAR(9)
SET @ForI=@ForI+1
END
SET @ForI=1
WHILE @ForI<=@MaxDay --构造号到月底的位置
BEGIN
SET @strPrint=@strPrint+CAST(@ForI AS nvarchar(2)) +Char(9)
SET @RowX=@RowX+1
SET @ForI=@ForI+1
IF (@RowX%7=0)
BEGIN
SET @RowX=0
SET @strPrint=@strPrint+CHAR(13)
END
END
SET @ForYear=@ForYear+1
-- 打印输出一个月的结果
PRINT '━━━━━━━━━━━━━━━━━━━━━━━━━━━'
PRINT +Char(9)++Char(9)+' '+@YearMonth+CHAR(10)
PRINT @strTop
PRINT @strPrint +CHAR(10)
END

输出结果：