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如何验证IP地址?

作者:佚名    责任编辑:admin    更新时间:2022-06-22

   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 ""

  end if

  end sub

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