public static function getAddressByIP($ip) { if (!$ip) { return "未知"; } if (!IpLocation::$ipl) { IpLocation::$ipl = new IpLocation(DOCROOT . 'application/classes/ip/QQWry.Dat'); } $address = IpLocation::$ipl->getaddress($ip); return mb_convert_encoding($address["area1"] . $address["area2"], 'utf-8', 'GB2312'); }