/* ************************************************************* 名 称: fn_split_text 功能简介: [将文本 按 分隔符 拆分成临时表] 参数简介: [@text] 需拆分的文本 返回: 表: subcolstr :拆分的字符串 特别说明: select * from fn_split_text(‘XXXX,YYYY,DDDD‘) ************************************************************* */ if OBJECT_ID(‘fn_split_text‘)>0 drop function fn_split_text GO create function dbo.fn_split_text(@text nvarchar(max)) returns @returntable table(subcolstr varchar(200)) as begin --------------------------定义变量----------------------------------------------------------------------------- declare @commastr varchar(max),@splitstr varchar(max),@splitlen int,@length int declare @splitChar char(1) --------------------------赋初值------------------------------------------------------------------------------- select @splitChar = ‘,‘ ----------------------------------------------------------------------------------------------------- select @splitstr=@text, @splitlen=charindex(@splitChar,@splitstr), @length=datalength(@splitstr) while @length>0 begin -------------------------------------------------------------------------------------- if @splitlen=0 set @splitlen=@length+1 set @commastr =@splitstr insert @returntable (subcolstr) values(substring(@commastr,1,@splitlen-1)) select @splitstr = substring(@commastr,@splitlen+1,@length), @length=datalength(@splitstr), @splitlen=charindex(@splitChar,@splitstr) -------------------------------------------------------------------------------------- end return end GO
时间: 2024-10-09 09:28:49