--漢子取拼音首字母
use [cisdb_pzhyy]
go/****** object: userdefinedfunction [dbo].[fun_getpy] script date: 12/25/2020 10:26:28 ******/
set ansi_nulls on
goset quoted_identifier on
goalter function [dbo].[fun_getpy](@str nvarchar(4000))
returns nvarchar(4000)
as begin
declare @word nchar(1),@py nvarchar(4000)
set @py=''
while len(@str)>0
begin
set @word=left(@str,1)
--如果非漢字字元，返回原字元
set @py=@py+(case when unicode(@word) between 19968 and 19968+20901
then (select top 1 py from (
select 'a' as py,n'驁' as word
union all select 'b',n'簿'
union all select 'c',n'錯'
union all select 'd',n'鵽'
union all select 'e',n'樲'
union all select 'f',n'鰒'
union all select 'g',n'腂'
union all select 'h',n'夻'
union all select 'j',n'攈'
union all select 'k',n'穒'
union all select 'l',n'鱳'
union all select 'm',n'旀'
union all select 'n',n'桛'
union all select 'o',n'漚'
union all select 'p',n'曝'
union all select 'q',n'囕'
union all select 'r',n'鶸'
union all select 's',n'蜶'
union all select 't',n'籜'
union all select 'w',n'鶩'
union all select 'x',n'鑂'
union all select 'y',n'韻'
union all select 'z',n'咗'
) t
where word>=@word collate chinese_prc_cs_as_ks_ws
order by py asc) else @word end)
set @str=right(@str,len(@str)-1)
end
return @py
end
使用select dbo.fun_getpy('中華人民共和國'),dbo.get_wbm('中華人民共和國')
*/
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