/*按照符号分割字符串*/

create function [dbo].[m_split](@c varchar(2000),@split varchar(2))

  returns @t table(col varchar(200))

  as

    begin

      while(charindex(@split,@c)<>0)

        begin

          insert @t(col) values (substring(@c,1,charindex(@split,@c)-1))

            set @c = stuff(@c,1,charindex(@split,@c),'')

           -- SET @c = substring(@c,charindex(' ',@c)+1,len(@c))

        end

      insert @t(col) values (@c)

      return

end

select * from dbo.m_split('1,2,3,4,5',',')