DBS-Function：f_GetPy

Posted 2020-11-19 三等分

ylbtech-SQL Server-Function：f_GetPy

 

A， 返回顶部

1、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   \'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

2、

B，返回顶部

 

C，返回顶部

 

D，返回顶部

 

作者：ylbtech 出处：http://storebook.cnblogs.com/ 本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。