select @ as 日期 ,dateadd(year,datediff(year,0,@),0) as 所在年的第一天 ,dateadd(year,1+datediff(year,0,@),0)-1 as 所在年的最后一天 ,dateadd(quarter,datediff(quarter,0,@),0) as 所在季的第一天 ,dateadd(quarter,1+datediff(quarter,0,@),0)-1 as 所在季的最后一天 ,dateadd(month,datediff(month,0,@),0) as 所在月的第一天 ,dateadd(month,1+datediff(month,0,@),0)-1 as 所在月的最后一天 ,dateadd(week,datediff(week,0,@),0) as 所在周的第一天 ,dateadd(week,1+datediff(week,0,@),0)-1 as 所在周的最后一天
select dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0))))) as [date] ,datename(weekday,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) as [weekdayname] ,datepart(weekday,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) as [weekday] ,datepart(week,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) as weekofyear ,datediff ( week ,case when datename(weekday,dateadd(day,0,datediff(day,0,dateadd(year,datediff(year,0,@),0)))) = '星期日' then dateadd(day,-1,dateadd(day,0,datediff(day,0,dateadd(year,datediff(year,0,@),0)))) else dateadd(day,0,datediff(day,0,dateadd(year,datediff(year,0,@),0))) end
,case when datename(weekday,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) = '星期日' then dateadd(day,-1,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) else dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0))))) end ) + 1 as myweekofyear
,datediff(week,dateadd(day,1-day(dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))),dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))),dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) +1 as weekofmonth ,datediff (week ,case when datename(weekday,dateadd(day,1-day(dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))),dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))))= '星期日' then dateadd(day,-1,dateadd(day,1-day(dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))),dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0))))))) else dateadd(day,1-day(dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))),dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) end ,case when datename(weekday,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) = '星期日' then dateadd(day,-1,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) else dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0))))) end
) +1 as myweekofmonth
,datepart(dayofyear,dateadd(day,0,datediff(day,0,dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))))) as dayofyear
into d
from ( select 0 as i union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9 union all select 10 union all select 11 ) m , ( select 0 as i union all select 1 union all select 2 union all select 3 union all select 4 union all select 5 union all select 6 union all select 7 union all select 8 union all select 9 union all select 10 union all select 11 union all select 12 union all select 13 union all select 14 union all select 15 union all select 16 union all select 17 union all select 18 union all select 19 union all select 20 union all select 21 union all select 22 union all select 23 union all select 24 union all select 25 union all select 26 union all select 27 union all select 28 union all select 29 union all select 30 ) d where datediff(month,dateadd(year,datediff(year,0,@),0),dateadd(day,d.i,dateadd(month,m.i,dateadd(year,datediff(year,0,@),0)))) = m.i order by [date]
select month(min(date)) ,(select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期日' and datediff(month,min(a.date),date) = 0) as 星期日 , (select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期一' and datediff(month,min(a.date),date) = 0) as 星期一 ,(select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期二' and datediff(month,min(a.date),date) = 0) as 星期二 ,(select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期三' and datediff(month,min(a.date),date) = 0) as 星期三 ,(select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期四' and datediff(month,min(a.date),date) = 0) as 星期四 ,(select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期五' and datediff(month,min(a.date),date) = 0) as 星期五 ,(select min(date) from d where datepart(week,date) = datepart(week,a.date) and datename(weekday,date)='星期六' and datediff(month,min(a.date),date) = 0) as 星期六
from d a group by datediff(month,0,date),datepart(week,date)
