用SQL编写获取拼音码的函数
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | CREATE function [dbo].[fn_GetPy](@str nvarchar(4000)) returns nvarchar(4000) --WITH ENCRYPTION as begin declare @intLen int declare @strRet nvarchar(4000) declare @ temp nvarchar(100) set @intLen = len(@str) set @strRet = '' while @intLen > 0 begin set @ temp = '' select @ temp = case when substring (@str,@intLen,1) >= '帀' then 'Z' when substring (@str,@intLen,1) >= '丫' then 'Y' when substring (@str,@intLen,1) >= '夕' then 'X' when substring (@str,@intLen,1) >= '屲' then 'W' when substring (@str,@intLen,1) >= '他' then 'T' when substring (@str,@intLen,1) >= '仨' then 'S' when substring (@str,@intLen,1) >= '呥' then 'R' when substring (@str,@intLen,1) >= '七' then 'Q' when substring (@str,@intLen,1) >= '妑' then 'P' when substring (@str,@intLen,1) >= '噢' then 'O' when substring (@str,@intLen,1) >= '拏' then 'N' when substring (@str,@intLen,1) >= '嘸' then 'M' when substring (@str,@intLen,1) >= '垃' then 'L' when substring (@str,@intLen,1) >= '咔' then 'K' when substring (@str,@intLen,1) >= '丌' then 'J' when substring (@str,@intLen,1) >= '铪' then 'H' when substring (@str,@intLen,1) >= '旮' then 'G' when substring (@str,@intLen,1) >= '发' then 'F' when substring (@str,@intLen,1) >= '妸' then 'E' when substring (@str,@intLen,1) >= '咑' then 'D' when substring (@str,@intLen,1) >= '嚓' then 'C' when substring (@str,@intLen,1) >= '八' then 'B' when substring (@str,@intLen,1) >= '吖' then 'A' else rtrim(ltrim( substring (@str,@intLen,1))) end --对于汉字特殊字符,不生成拼音码 if (ascii(@ temp )>127) set @ temp = '' --对于英文中小括号,不生成拼音码 if @ temp = '(' or @ temp = ')' set @ temp = '' select @strRet = @ temp + @strRet set @intLen = @intLen - 1 end return lower (@strRet) end |
分类:
Database and SQL
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