日期:2014-05-18 浏览次数:20822 次
---测试数据--- if object_id('[pactinfo]') is not null drop table [pactinfo] go create table [pactinfo]([ID] int,[pactname] varchar(4)) insert [pactinfo] select 1,'正常' union all select 2,'中国' union all select 3,'做饭' union all select 4,'加发' ---引用前辈们的一个函数--- create function 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 ---查询--- select * from [pactinfo] where left(dbo.f_GetPy(pactname),1)='Z' ---结果--- ID pactname ----------- -------- 1 正常 2 中国 3 做饭 (所影响的行数为 3 行)