DBS-Function:f_GetPy

ylbtech-SQL Server-Function:f_GetPy
 
A, 返回頂部
一、f_GetPy
Create function   [dbo].[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   '', 'A '   union   all   select   '', 'B '   union   all 
    select   '', 'C '   union   all   select   '', 'D '   union   all 
    select   '', 'E '   union   all   select   '', 'F '   union   all 
    select   '', 'G '   union   all   select   '', 'H '   union   all 
    select   '', 'J '   union   all   select   '', 'K '   union   all 
    select   '', 'L '   union   all   select   '', 'M '   union   all 
    select   '', 'N '   union   all   select   '', 'O '   union   all 
    select   '', 'P '   union   all   select   '', 'Q '   union   all 
    select   '', 'R '   union   all   select   '', 'S '   union   all 
    select   '', 'T '   union   all   select   '', 'W '   union   all 
    select   '', 'X '   union   all   select   '', 'Y '   union   all 
    select   '', '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
二、
B,返回頂部
 
C,返回頂部
 
D,返回頂部
 
warn 做者:ylbtech
出處:http://storebook.cnblogs.com/
本文版權歸做者和博客園共有,歡迎轉載,但未經做者贊成必須保留此段聲明,且在文章頁面明顯位置給出原文鏈接,不然保留追究法律責任的權利。
本站公眾號
   歡迎關注本站公眾號,獲取更多信息