--------------------------------------------------------------------
-- Author : 原著： 改编：htl258(Tony)
-- Date : 2010-04-24 06:39:55
-- Version:Microsoft SQL Server 2008 (RTM) - 10.0.1600.22 (Intel X86)
-- Jul 9 2008 14:43:34
-- Copyright (c) 1988-2008 Microsoft Corporation
-- Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)
-- Blog : http://blog.csdn.net/htl258
-- 原帖地址：
-- http://blog.csdn.net/htl258/archive/2010/04/24/5523183.aspx
-- Subject: 完善SQL农历转换函数（显示中文格式，加入润月的显示）
--------------------------------------------------------------------------
--注：由于找一时找不到原版作者，所以暂未填入。大家有知道的告知一下，谢谢！
--创建基础数据表
if object_id('SolarData')is not null
drop table SolarData
go
create table SolarData
(
yearid int not null,
data char(7)not null,
dataint int not null
)
--插入数据
insert into
SolarData select 1900,'0x04bd8',19416union all select 1901,'0x04ae0',19168
union allselect 1902,'0x0a570',42352union all select 1903,'0x054d5',21717
union allselect 1904,'0x0d260',53856union all select 1905,'0x0d950',55632
union allselect 1906,'0x16554',91476union all select 1907,'0x056a0',22176
union allselect 1908,'0x09ad0',39632union all select 1909,'0x055d2',21970
union allselect 1910,'0x04ae0',19168union all select 1911,'0x0a5b6',42422
union allselect 1912,'0x0a4d0',42192union all select 1913,'0x0d250',53840
union allselect 1914,'0x1d255',119381union all select 1915,'0x0b540',46400
union allselect 1916,'0x0d6a0',54944union all select 1917,'0x0ada2',44450
union allselect 1918,'0x095b0',38320union all select 1919,'0x14977',84343
union allselect 1920,'0x04970',18800union all select 1921,'0x0a4b0',42160
union allselect 1922,'0x0b4b5',46261union all select 1923,'0x06a50',27216
union allselect 1924,'0x06d40',27968union all select 1925,'0x1ab54',109396
union allselect 1926,'0x02b60',11104union all select 1927,'0x09570',38256
union allselect 1928,'0x052f2',21234union all select 1929,'0x04970',18800
union allselect 1930,'0x06566',25958union all select 1931,'0x0d4a0',54432
union allselect 1932,'0x0ea50',59984union all select 1933,'0x06e95',28309
union allselect 1934,'0x05ad0',23248union all select 1935,'0x02b60',11104
union allselect 1936,'0x186e3',100067union all select 1937,'0x092e0',37600
union allselect 1938,'0x1c8d7',116951union all select 1939,'0x0c950',51536
union allselect 1940,'0x0d4a0',54432union all select 1941,'0x1d8a6',120998
union allselect 1942,'0x0b550',46416union all select 1943,'0x056a0',22176
union allselect 1944,'0x1a5b4',107956union all select 1945,'0x025d0',9680
union allselect 1946,'0x092d0',37584union all select 1947,'0x0d2b2',53938
union allselect 1948,'0x0a950',43344union all select 1949,'0x0b557',46423
union allselect 1950,'0x06ca0',27808union all select 1951,'0x0b550',46416
union allselect 1952,'0x15355',86869union all select 1953,'0x04da0',19872
union allselect 1954,'0x0a5d0',42448union all select 1955,'0x14573',83315
union allselect 1956,'0x052d0',21200union all select 1957,'0x0a9a8',43432
union allselect 1958,'0x0e950',59728union all select 1959,'0x06aa0',27296
union allselect 1960,'0x0aea6',44710union all select 1961,'0x0ab50',43856
union allselect 1962,'0x04b60',19296union all select 1963,'0x0aae4',43748
union allselect 1964,'0x0a570',42352union all select 1965,'0x05260',21088
union allselect 1966,'0x0f263',62051union all select 1967,'0x0d950',55632
union allselect 1968,'0x05b57',23383union all select 1969,'0x056a0',22176
union allselect 1970,'0x096d0',38608union all select 1971,'0x04dd5',19925
union allselect 1972,'0x04ad0',19152union all select 1973,'0x0a4d0',42192
union allselect 1974,'0x0d4d4',54484union all select 1975,'0x0d250',53840
union allselect 1976,'0x0d558',54616union all select 1977,'0x0b540',46400
union allselect 1978,'0x0b5a0',46496union all select 1979,'0x195a6',103846
union allselect 1980,'0x095b0',38320union all select 1981,'0x049b0',18864
union allselect 1982,'0x0a974',43380union all select 1983,'0x0a4b0',42160
union allselect 1984,'0x0b27a',45690union all select 1985,'0x06a50',27216
union allselect 1986,'0x06d40',27968union all select 1987,'0x0af46',44870
union allselect 1988,'0x0ab60',43872union all select 1989,'0x09570',38256
union allselect 1990,'0x04af5',19189union all select 1991,'0x04970',18800
union allselect 1992,'0x064b0',25776union all select 1993,'0x074a3',29859
union allselect 1994,'0x0ea50',59984union all select 1995,'0x06b58',27480
union allselect 1996,'0x055c0',21952union all select 1997,'0x0ab60',43872
union allselect 1998,'0x096d5',38613union all select 1999,'0x092e0',37600
union allselect 2000,'0x0c960',51552union all select 2001,'0x0d954',55636
union allselect 2002,'0x0d4a0',54432union all select 2003,'0x0da50',55888
union allselect 2004,'0x07552',30034union all select 2005,'0x056a0',22176
union allselect 2006,'0x0abb7',43959union all select 2007,'0x025d0',9680
union allselect 2008,'0x092d0',37584union all select 2009,'0x0cab5',51893
union allselect 2010,'0x0a950',43344union all select 2011,'0x0b4a0',46240
union allselect 2012,'0x0baa4',47780union all select 2013,'0x0ad50',44368
union allselect 2014,'0x055d9',21977union all select 2015,'0x04ba0',19360
union allselect 2016,'0x0a5b0',42416union all select 2017,'0x15176',86390
union allselect 2018,'0x052b0',21168union all select 2019,'0x0a930',43312
union allselect 2020,'0x07954',31060union all select 2021,'0x06aa0',27296
union allselect 2022,'0x0ad50',44368union all select 2023,'0x05b52',23378
union allselect 2024,'0x04b60',19296union all select 2025,'0x0a6e6',42726
union allselect 2026,'0x0a4e0',42208union all select 2027,'0x0d260',53856
union allselect 2028,'0x0ea65',60005union all select 2029,'0x0d530',54576
union allselect 2030,'0x05aa0',23200union all select 2031,'0x076a3',30371
union allselect 2032,'0x096d0',38608union all select 2033,'0x04bd7',19415
union allselect 2034,'0x04ad0',19152union all select 2035,'0x0a4d0',42192
union allselect 2036,'0x1d0b6',118966union all select 2037,'0x0d250',53840
union allselect 2038,'0x0d520',54560union all select 2039,'0x0dd45',56645
union allselect 2040,'0x0b5a0',46496union all select 2041,'0x056d0',22224
union allselect 2042,'0x055b2',21938union all select 2043,'0x049b0',18864
union allselect 2044,'0x0a577',42359union all select 2045,'0x0a4b0',42160
union allselect 2046,'0x0aa50',43600union all select 2047,'0x1b255',111189
union allselect 2048,'0x06d20',27936union all select 2049,'0x0ada0',44448
GO
--===============================================================
--创建农历日期函数
if object_id('fn_GetLunar')is not null
drop function fn_GetLunar
go
create function dbo.fn_GetLunar(@solardaydatetime)
returns nvarchar(30)
as
begin
declare @soldata int
declare @offset int
declare @ilunar int
declare @i int
declare @j int
declare @ydays int
declare @mdays int
declare @mleap int
declare @mleap1 int
declare @mleapnum int
declare @bleap smallint
declare @temp int
declare @year nvarchar(10)
declare @month nvarchar(10)
declare @day nvarchar(10)
declare @chinesenum nvarchar(10)
declare @outputdate nvarchar(30)
set @offset=datediff(day,'1900-01-30',@solarday)
--确定农历年开始
set @i=1900
--set @offset=@soldata
while @i<2050and @offset>0
begin
set @ydays=348
set @mleapnum=0
select @ilunar=dataintfrom solardata where yearid=@i
--传回农历年的总天数
set @j=32768
while @j>8
begin
if @ilunar & @j >0
set @ydays=@ydays+1
set @j=@j/2
end
--传回农历年闰哪个月1-12 ,没闰传回0
set @mleap = @ilunar & 15
--传回农历年闰月的天数,加在年的总天数上
if @mleap > 0
begin
if @ilunar & 65536 > 0
set @mleapnum=30
else
set @mleapnum=29
set @ydays=@ydays+@mleapnum
end
set @offset=@offset-@ydays
set @i=@i+1
end
if @offset <= 0
begin
set @offset=@offset+@ydays
set @i=@i-1
end
--确定农历年结束
set @year=@i
--确定农历月开始
set @i = 1
select @ilunar=dataintfrom solardata where yearid=@year
--判断那个月是润月
set @mleap = @ilunar & 15
set @bleap = 0
while @i < 13 and @offset > 0
begin
--判断润月
set @mdays=0
if (@mleap> 0 and @i = (@mleap+1)and @bleap=0)
begin--是润月
set @i=@i-1
set @bleap=1
set @mleap1= @mleap
--传回农历年闰月的天数
if @ilunar & 65536 > 0
set @mdays = 30
else
set @mdays = 29
end
else
--不是润月
begin
set @j=1
set @temp = 65536
while @j<=@i
begin
set @temp=@temp/2
set @j=@j+1
end
if @ilunar & @temp > 0
set @mdays = 30
else
set @mdays = 29
end
--解除润月
if @bleap=1and @i= (@mleap+1)
set @bleap=0
set @offset=@offset-@mdays
set @i=@i+1
end
if @offset <= 0
begin
set @offset=@offset+@mdays
set @i=@i-1
end
--确定农历月结束
set @month=@i
--确定农历日结束
set @day=ltrim(@offset)
--输出日期
set @chinesenum=N'〇一二三四五六七八九十'
while len(@year)>0
select @outputdate=isnull(@outputdate,'')
+ substring(@chinesenum,left(@year,1)+1,1)
, @year=stuff(@year,1,1,'')
set @outputdate=@outputdate+N'年'
+ case @mleap1 when @month then N'润'else '' end
if cast(@month asint)<10
set @outputdate=@outputdate
+ case @month when 1 then N'正'
else substring(@chinesenum,left(@month,1)+1,1)
end
else ifcast(@month as int)>=10
set @outputdate=@outputdate
+ case @month when '10'then N'十'when 11 then N'十一'
else N'十二'end
set @outputdate=@outputdate+ N'月'
if cast(@day asint)<10
set @outputdate=@outputdate+ N'初'
+ substring(@chinesenum,left(@day,1)+1,1)
else if @daybetween '10' and '19'
set @outputdate=@outputdate
+ case @day when '10'then N'初十'else N'十'+
substring(@chinesenum,right(@day,1)+1,1)end
else if @daybetween '20' and '29'
set @outputdate=@outputdate
+ case @day when '20'then N'二十'else N'廿'end
+ case @day when '20'then N'' else
substring(@chinesenum,right(@day,1)+1,1)end
else
set @outputdate=@outputdate+N'三十'
return @outputdate
end
GO
--测试示例
select dbo.fn_GetLunar(getdate())as [改编日期(农历)],
getdate()as [改编日期(公历)]
/*
改编日期(农历) 改编日期(公历)
------------------------------ -----------------------
二〇一一年二月十六 2011-03-20 11:24:35.577
*/
select convert(char(10),dateadd(d,number,'2008-1-1'),23)as 公历,
dbo.fn_GetLunar(dateadd(d,number,'2008-1-1'))as 农历
from master..spt_values
where type='p'
/*
公历 农历
---------- ------------------------------
2008-01-01二〇〇七年十一月廿三
2008-01-02二〇〇七年十一月廿四
2008-01-03二〇〇七年十一月廿五
2008-01-04二〇〇七年十一月廿六
2008-01-05二〇〇七年十一月廿七
2008-01-06二〇〇七年十一月廿八
2008-01-07二〇〇七年十一月廿九
2008-01-08二〇〇七年十二月初一
2008-01-09二〇〇七年十二月初二
2008-01-10二〇〇七年十二月初三
...............
2013-07-31二〇一三年六月廿四
2013-08-01二〇一三年六月廿五
2013-08-02二〇一三年六月廿六
2013-08-03二〇一三年六月廿七
2013-08-04二〇一三年六月廿八
2013-08-05二〇一三年六月廿九
2013-08-06二〇一三年六月三十
2013-08-07二〇一三年七月初一
2013-08-08二〇一三年七月初二
2013-08-09二〇一三年七月初三
(2048 行受影响)
*/
--2048行记录：秒
