ALTER FUNCTION [dbo].[f_SysGetLunar](
@solarDay DATETIME)
RETURNS varchar(200)
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 @mLeapNum int
DECLARE @bLeap smallint
DECLARE @temp int
DECLARE @YEAR INT
DECLARE @MONTH INT
DECLARE @DAY INT
DECLARE @OUTPUTDATE varchar(100)
--保证传进来的日期是不带时间
SET @solarDay=cast(@solarDay AS char(10))
SET @offset=CAST(@solarDay-‘1900-01-30‘ AS INT)
--确定农历年开始
SET @i=1900
--SET @offset=@solData
WHILE @i<2050 AND @offset>0
BEGIN
SET @yDays=348
SET @mLeapNum=0
SELECT @iLunar=dataInt FROM Sysc80 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=dataInt FROM Sysc80 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
--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
--解除闰月
IF @bLeap=1 AND @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=@offset
if @bLeap=1
SET @OUTPUTDATE=(CAST(@YEAR AS VARCHAR(4))+‘-润‘+CAST(@MONTH AS VARCHAR(2))+‘-‘+CAST(@DAY AS VARCHAR(2)))
else
SET @OUTPUTDATE=(CAST(@YEAR AS VARCHAR(4))+‘-‘+CAST(@MONTH AS VARCHAR(2))+‘-‘+CAST(@DAY AS VARCHAR(2)))
RETURN @OUTPUTDATE
END
--********************************************************
--Sysc80表内容
select * from Sysc80
yearId databin dataInt
1900 19416 19416
1901 19168 19168
1902 42352 42352
1903 21717 21717
1904 53856 53856
1905 55632 55632
1906 91476 91476
1907 22176 22176
1908 39632 39632
1909 21970 21970
1910 19168 19168
1911 42422 42422
1912 42192 42192
1913 53840 53840
1914 119381 119381
1915 46400 46400
1916 54944 54944
1917 44450 44450
1918 38320 38320
1919 84343 84343
1920 18800 18800
1921 42160 42160
1922 46261 46261
1923 27216 27216
1924 27968 27968
1925 109396 109396
1926 11104 11104
1927 38256 38256
1928 21234 21234
1929 18800 18800
1930 25958 25958
1931 54432 54432
1932 59984 59984
1933 28309 28309
1934 23248 23248
1935 11104 11104
1936 100067 100067
1937 37600 37600
1938 116951 116951
1939 51536 51536
1940 54432 54432
1941 120998 120998
1942 46416 46416
1943 22176 22176
1944 107956 107956
1945 9680 9680
1946 37584 37584
1947 53938 53938
1948 43344 43344
1949 46423 46423
1950 27808 27808
1951 46416 46416
1952 86869 86869
1953 19872 19872
1954 42448 42448
1955 83315 83315
1956 21200 21200
1957 43432 43432
1958 59728 59728
1959 27296 27296
1960 44710 44710
1961 43856 43856
1962 19296 19296
1963 43748 43748
1964 42352 42352
1965 21088 21088
1966 62051 62051
1967 55632 55632
1968 23383 23383
1969 22176 22176
1970 38608 38608
1971 19925 19925
1972 19152 19152
1973 42192 42192
1974 54484 54484
1975 53840 53840
1976 54616 54616
1977 46400 46400
1978 46496 46496
1979 103846 103846
1980 38320 38320
1981 18864 18864
1982 43380 43380
1983 42160 42160
1984 45690 45690
1985 27216 27216
1986 27968 27968
1987 44870 44870
1988 43872 43872
1989 38256 38256
1990 19189 19189
1991 18800 18800
1992 25776 25776
1993 29859 29859
1994 59984 59984
1995 27480 27480
1996 21952 21952
1997 43872 43872
1998 38613 38613
1999 37600 37600
2000 51552 51552
2001 55636 55636
2002 54432 54432
2003 55888 55888
2004 30034 30034
2005 22176 22176
2006 43959 43959
2007 9680 9680
2008 37584 37584
2009 51893 51893
2010 43344 43344
2011 46240 46240
2012 47780 47780
2013 44368 44368
2014 21977 21977
2015 19360 19360
2016 42416 42416
2017 86390 86390
2018 21168 21168
2019 43312 43312
2020 31060 31060
2021 27296 27296
2022 44368 44368
2023 23378 23378
2024 19296 19296
2025 42726 42726
2026 42208 42208
2027 53856 53856
2028 60005 60005
2029 54576 54576
2030 23200 23200
2031 30371 30371
2032 38608 38608
2033 19415 19415
2034 19152 19152
2035 42192 42192
2036 118966 118966
2037 53840 53840
2038 54560 54560
2039 56645 56645
2040 46496 46496
2041 22224 22224
2042 21938 21938
2043 18864 18864
2044 42359 42359
2045 42160 42160
2046 43600 43600
2047 111189 111189
2048 27936 27936
2049 44448 44448
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