SQL语句提取出中文的拼音首字母

问题描述:

SQL语句提取出中文的拼音首字母
1个回答 分类:综合 2014-10-14

问题解答:

我来补答
正好最近收藏了一个 你可以看下思路
--将中文字符串转化成文字首拼音的组合
create function 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)
--如果非汉字字符,返回原字符
set @PY=@PY+(case when unicode(@word) between 19968 and 19968+20901
then (select top 1 PY from (
select 'A' as PY,N'骜' as word
union all select 'B',N'簿'
union all select 'C',N'错'
union all select 'D',N'鵽'
union all select 'E',N'樲'
union all select 'F',N'鳆'
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'沤'
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'箨'
union all select 'W',N'鹜'
union all select 'X',N'鑂'
union all select 'Y',N'韵'
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
--函数调用实例:
select dbo.fun_getPY('中华人民共和国AAA01')
/*
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ZHRMGHGAAA01
(1 行受影响)
*/
 
 
展开全文阅读
剩余:2000
上一页:第一个解释一下
下一页:例二,求解