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set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER function [dbo].[Get_StrArrayStrOfIndex]
(
 @str varchar(1024),  --Òª·Ö¸îµÄ×Ö·û´®
 @split varchar(10),  --·Ö¸ô·ûºÅ
 @index int --È¡µÚ¼¸¸öÔªËØ
)
returns varchar(1024)
as
begin
 declare @location int
 declare @start int
 declare @next int
 declare @seed int
 set @str=ltrim(rtrim(@str))
 set @start=1
 set @next=1
 set @seed=len(@split)
 
 set @location=charindex(@split,@str)
 while @location<>0 and @index>@next
 begin
   set @start=@location+@seed
   set @location=charindex(@split,@str,@start)
   set @next=@next+1
 end
 if @location =0 select @location =len(@str)+1
--Õâ¶ù´æÔÚÁ½ÖÖÇé¿ö£º¡¢×Ö·û´®²»´æÔÚ·Ö¸ô·ûºÅ2¡¢×Ö·û´®ÖдæÔÚ·Ö¸ô·ûºÅ£¬Ìø³öwhileÑ­»·ºó£¬@locationΪ£¬ÄÇĬÈÏΪ×Ö·û´®ºó±ßÓÐÒ»¸ö·Ö¸ô·ûºÅ¡£
 
 return substring(@str,@start,@location-@start)
end


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