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  • sql 创建取拼音函数

    set ANSI_NULLS ON
    set QUOTED_IDENTIFIER ON
    go


    --创建取拼音函数
    ALTER function [dbo].[f_GetPy](@Str nvarchar(400))
    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 @t 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

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  • 原文地址:https://www.cnblogs.com/zgaspnet/p/2095644.html
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