SQL 字串分割函数

create function [dbo].[split](@input varchar(max), @split varchar(max))   

  returns   @table   table(col   varchar(max))   

  as   

    begin       

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

        begin   

          insert   @table(col)   values   (ltrim(rtrim(substring(@input,1,charindex(@split,@input)-1))))   

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

        end   

      insert   @table(col)   values   (ltrim(rtrim(@input)))

      return   

    end