<?਍␀眀栀漀椀猀 㴀 ∀㄀∀㬀⼀⼀ᘀ㮐ഀ
$ips = getenv('REMOTE_HOST'); ਍    椀昀⠀℀␀椀瀀猀⤀笀 ഀ
      $ips = getenv('REMOTE_ADDR'); ਍    紀 ഀ
    if(!$ips){ ਍      ␀椀瀀猀 㴀 ␀刀䔀䴀伀吀䔀开䄀䐀䐀刀㬀 ഀ
    } ਍    椀昀⠀℀␀椀瀀猀⤀笀 ഀ
      $ips = $REMOTE_HOST; ਍    紀 ഀ
$ip = @GetHostByAddr($ips); ਍⼀⼀瀀爀椀渀琀 ␀椀瀀㬀ഀ
if ((substr($ip,0,9) != "210.38.24") and (substr($ip,0,9) != "210.38.25"))਍笀ഀ
$whois = "1";//外部਍紀ഀ
else਍笀ഀ
$whois = "0";//内部਍紀ഀ
?>਍㰀栀琀洀氀㸀ഀ
<head>਍㰀琀椀琀氀攀㸀∀칫䦏㑑Ɏඃ晔扛㲖⼀琀椀琀氀攀㸀ഀ
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">਍㰀㼀ഀ
if ($whois != "0")਍笀ഀ
print '<meta http-equiv=Refresh content="0; url=http://210.38.240.38/cai/cai.php">';//文字਍紀ഀ
else਍笀ഀ
print '<meta http-equiv=Refresh content="0; url=http://www.mmc.edu.cn/info/charset.php">';//图形਍紀ഀ
?>਍㰀⼀栀攀愀搀㸀ഀ
</html>਍�