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  • sql中文字符串获取拼音首字母

    SET ANSI_NULLS ON
    GO
    SET QUOTED_IDENTIFIER ON
    GO
    
    
    CREATE 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'' as word
    union all select 'B',N'簿'
    union all select 'C',N''
    union all select 'D',N''
    union all select 'E',N''
    union all select 'F',N''
    union all select 'G',N''
    union all select 'H',N''
    union all select 'J',N''
    union all select 'K',N''
    union all select 'L',N''
    union all select 'M',N''
    union all select 'N',N''
    union all select 'O',N''
    union all select 'P',N''
    union all select 'Q',N''
    union all select 'R',N''
    union all select 'S',N''
    union all select 'T',N''
    union all select 'W',N''
    union all select 'X',N''
    union all select 'Y',N''
    union all select 'Z',N''
    ) 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 
    
    --SELECT dbo.fun_getPY('长沙')
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  • 原文地址:https://www.cnblogs.com/elves/p/3522096.html
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