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通过出生日期查询对应的星座

机构:上海内威培训 时间:2016-01-25 08:43:35 点击:540

  go

  --创建函数(CSDN fredrickhu(小F)提供)

  create function udf_GetStar (@ datetime)

  RETURNS varchar(100)

  -- 返回日期所属星座

  BEGIN

  RETURN

  (

  select max(star)

  from

  (

  select '魔羯座' as star,1 as [month],1 as [day]

  union all select '水瓶座',1,20

  union all select '双鱼座',2,19

  union all select '牡羊座',3,21

  union all select '金牛座',4,20

  union all select '双子座',5,21

  union all select '巨蟹座',6,22

  union all select '狮子座',7,23

  union all select '处女座',8,23

  union all select '天秤座',9,23

  union all select '天蝎座',10,24

  union all select '射手座',11,22

  union all select '魔羯座',12,22

  ) stars

  where dateadd(month,[month] - 1,dateadd(year,year(@) - year(0),0)) + [day] - 1 =

  (

  select max(dateadd(month,[month] - 1,dateadd(year,year(@) - year(0),0)) + [day] - 1)

  from (

  select '魔羯座' as star,1 as [month],1 as [day]

  union all select '水瓶座',1,20

  union all select '双鱼座',2,19

  union all select '牡羊座',3,21

  union all select '金牛座',4,20

  union all select '双子座',5,21

  union all select '巨蟹座',6,22

  union all select '狮子座',7,23

  union all select '处女座',8,23

  union all select '天秤座',9,23

  union all select '天蝎座',10,24

  union all select '射手座',11,22

  union all select '魔羯座',12,22

  ) stars

  where @ >= dateadd(month,[month] - 1,dateadd(year,year(@) - year(0),0)) + [day] - 1

  )

  )

  end

  select dbo.udf_getstar('20080706')

  了解更多关于软件方面的知识,请访问上海软件培训学校

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