split() by sql

        BEGIN
------------------宣告變數--------------------
          declare @str varchar(500)
          declare @split varchar(1)
          declare @splitlen int
          declare @temp_str varchar(10)

------------------變數賦值--------------------
          set @str='00,01,02,03'
          set @split=','               --分隔符
          set @splitlen=len(@split)-1
          set @str=@str+@split


          while charindex(@split, @str)>0     --切割字符串
          begin
            set @temp_str=left(@str, charindex(@split,@str)-1)             --抓字符串
            set @str=stuff(@str,1, charindex(@split,@str)+@splitlen,'')  --刪除抓到的字符串

          --------------------------------------切割字符串後進行相應操作----------------------------------
            if ('02' = @temp_str)     --是否等於登錄公司別
	print 'y'
            else
	print 'n'
          ---------------------------------------------------------------------------------------------------------------
          end
        END