SQL列印全年日曆

資料庫環境：sql server 2008r2

我之前有寫過列印本月日曆的sql，裡頭有詳細的說明。具體請參考前面的博文——生成本月日曆。

全年日曆只是在本月日曆的基礎上加了月資訊，並按月份分組求得。

下面直接分享sql

/*

基礎資料：年初日期，全年有多少天
*/with
x0          
as ( select
convert(date, '
2015-01-01
') as
yearbegin ,
convert(date, '
2015-12-31
') as
yearend ,
datediff(day, '
2015-01-01
', '
2015-12-31
') as
dayscount
),/*列舉全年的所有日期
*/x1
as ( select
dateadd(day, number, yearbegin) as
ndate
from
x0 ,
master.dbo.spt_values spt
where    spt.type ='p
'and spt.number
>=
0and spt.number
<=
dayscount
),/*羅列全年日期對應的月份，第幾周，星期幾，本月第幾天
*/x2
as ( select
ndate ,
datepart(month, ndate) as
nmonth ,
datepart(week, ndate) as
nweek ,
datepart(weekday, ndate) as
nweekday ,
datepart(day, ndate) as
nday
from
x1             ),
/*按月份、所在周分組，生成全年日曆
*/x3
as ( select
nmonth ,
nweek ,
isnull(cast(max(case
nweekday
when
1then
nday
end) as
varchar(2)), '') as
日 ,                        
isnull(cast(max(case
nweekday
when
2then
nday
end) as
varchar(2)), '') as
一 ,                        
isnull(cast(max(case
nweekday
when
3then
nday
end) as
varchar(2)), '') as
二 ,                        
isnull(cast(max(case
nweekday
when
4then
nday
end) as
varchar(2)), '') as
三 ,                        
isnull(cast(max(case
nweekday
when
5then
nday
end) as
varchar(2)), '') as
四 ,                        
isnull(cast(max(case
nweekday
when
6then
nday
end) as
varchar(2)), '') as
五 ,                        
isnull(cast(max(case
nweekday
when
7then
nday
end) as
varchar(2)), '') as
六               
from
x2               
group
bynmonth ,
nweek
)/*將月份相同的值只在第一行顯示
*/select
replace(case
when row_number() over ( partition by nmonth order
by nweek ) =
1then
nmonth
else-1
end, -
1, '') as
月份 ,
日 ,一 ,
二 ,三 ,
四 ,五 ,
六from    x3

做一些特別處理就可以了。

貼一下結果

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