如何验证IP地址
2014-08-09来源:易贤网

sub chkIP(boardid)

   dim rsIP

 dim ipArr

 dim ignored

 dim i

 dim ip

 dim sql

 ip=Request.ServerVariables("REMOTE_ADDR") 

 ignored=false

 if not isempty(boardid) then 

   sql="select ignoreip from board where boardid="&cstr(boardid)

   set rsIP=conn.execute(sql)

   if not (rsIP.eof and rsIP.bof) then

    if instr(cstr(rsIP("ignoreip")&""),chr(13)&chr(10)) then

      iparr=split(rsIP("ignoreip"),chr(13)&chr(10))

      for i=0 to ubound(iparr)

        if trim(iparr(i))<>"" and left(ip,len(trim(iparr(i))))=trim(iparr(i)) then

         ignored=true

         exit for

        end if

      next

    else

      iparr=rsIP("ignoreip")

      if ip=trim(iparr) then

       ignored=true

      end if

    end if

   end if

   rsIP.close

 end if

 if ignored then

   response.write "<script language=javascript>window.location.href='ignoreip.htm'</script>"

 end if

 end sub

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