declare @str nvarchar(2000)
set @str ='00018+010+0012^SP+MB+4048^00818-02-1^31313'
print substring(@str,1,charindex('^',@str)-1)
print substring(@str,charindex('^',@str)+1,charindex('^',substring(@str,charindex('^',@str)+1,len(@str)-charindex('^',@str)))-1)
00018+010+0012
SP+MB+4048
set @str ='00018+010+0012^SP+MB+4048^00818-02-1^31313'
select substring(stuff(@str,1,charindex('^',@str),''),1,charindex('^',stuff(@str,1,charindex('^',@str),''))-1)
/*
SP+MB+4048
*/
GO下面是结果集: ---------
aijklmnef (1 row(s) affected)
(
@str varchar(1024), --要分割的字符串
@split varchar(10), --分隔符号
@index int --取第几个元素
)
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
--这儿存在两种情况:1、字符串不存在分隔符号 2、字符串中存在分隔符号,跳出while循环后,@location为0,那默认为字符串后边有一个分隔符号。
return substring(@str,@start,@location-@start)
end
set @str ='00018+010+0012^SP+MB+4048^00818-02-1^31313'
select substring(stuff(@str,1,charindex('^',@str),''),1,charindex('^',stuff(@str,1,charindex('^',@str),''))-1)
select left(stuff(@str,1,charindex('^',@str),'') , charindex('^',stuff(@str,1,charindex('^',@str),''))-1)