加入收藏 | 设为首页 | 会员中心 | 我要投稿 财气旺网 - 海宁网 (https://www.hainingwang.cn/)- 科技、建站、经验、云计算、5G、大数据,站长网!
当前位置: 首页 > 建站 > 正文

一个sql server中用到的函数,用来取拼音

发布时间:2018-08-20 06:46:18 所属栏目:建站 来源:站长网
导读:create function f_GetPy(@str nvarchar(4000)) returns nvarchar(4000) as begin declare @strlen int,@re nvarchar(4000) declare @t table(chr nchar(1) collate Chinese_PRC_CI_AS,letter nchar(1)) insert into @t(chr,letter) select '吖','A' union
create function f_GetPy(@str nvarchar(4000))
returns nvarchar(4000)
as
begin
declare @strlen int,@re nvarchar(4000)
declare @t table(chr nchar(1) collate Chinese_PRC_CI_AS,letter nchar(1))
insert into @t(chr,letter)
  select '吖','A' union all select '八','B' union all
  select '嚓','C' union all select '咑','D' union all
  select '妸','E' union all select '发','F' union all
  select '旮','G' union all select '铪','H' union all
  select '丌','J' union all select '咔','K' union all
  select '垃','L' union all select '嘸','M' union all
  select '拏','N' union all select '噢','O' union all
  select '妑','P' union all select '七','Q' union all
  select '呥','R' union all select '仨','S' union all
  select '他','T' union all select '屲','W' union all
  select '夕','X' union all select '丫','Y' union all
  select '帀','Z'
  select @strlen=len(@str),@re=''
  while @strlen>0
  begin
    select top 1 @re=letter+@re,@strlen=@strlen-1
      from @t a where chr<=substring(@str,@strlen,1)
      order by chr desc
    if @@rowcount=0
      select @re=substring(@str,@strlen,1)+@re,@strlen=@strlen-1
  end
  return(@re)
end
go
--调用
select * from alls where dbo.f_GetPy(name)='cyml'

(编辑:财气旺网 - 海宁网)

【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!