標籤:back upd create sub ascii碼錶 rgb class while迴圈 short
函數:
/*建立取拼音首字母函數*/ create function [dbo].[fn_ChineseToSpell](@strChinese varchar(500)=‘‘) returns varchar(500) as begin /*函數實現開始*/ declare @strLen int,@return varchar(500),@i int declare @n int,@c char(1),@chn nchar(1) select @strLen=len(@strChinese),@return=‘‘,@i=0 while @i<@strLen begin /*while迴圈開始*/ select @i=@i+1,@n=63,@chn=substring(@strChinese,@i,1) if @chn>‘z‘/*原理:“字串排序以及ASCII碼錶”*/ select @n = @n +1,@c =case chn when @chn then char(@n) else @c end from(select top 27 * from (select chn = ‘吖‘ union all select ‘八‘ union all select ‘嚓‘ union all select ‘咑‘ union all select ‘妸‘ union all select ‘發‘ union all select ‘旮‘ union all select ‘鉿‘ union all select ‘丌‘ /*because have no ‘i‘*/ union all select ‘丌‘ union all select ‘哢‘ union all select ‘垃‘ union all select ‘嘸‘ union all select ‘拏‘ union all select ‘噢‘ union all select ‘妑‘ union all select ‘七‘ union all select ‘呥‘ union all select ‘仨‘ union all select ‘他‘ union all select ‘屲‘ /*no ‘u‘*/ union all select ‘屲‘ /*no ‘v‘*/ union all select ‘屲‘ union all select ‘夕‘ union all select ‘丫‘ union all select ‘帀‘ union all select @chn) as a order by chn COLLATE Chinese_PRC_CI_AS ) as b else set @c=@chn set @return=@return+@c end /*while迴圈結束*/ return(@return) end /*函數實現結束*/
使用方法:
UPDATE dbo.T_Base_Unit SET ShortName = dbo.fn_ChineseToSpell(Name)
SQL SERVER 擷取拼音簡稱的函數