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thinkphp 获取搜索引擎蜘蛛

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###Function is_bot():

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public function is_bot()
{
	$data['robotspage'] = $_SERVER['REQUEST_URI'] ? $_SERVER['REQUEST_URI'] : '';
	$data['oldurl'] = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : '直接访问';
	import('ORG.Net.IpLocation'); // 导入IpLocation类
	$Ip = new IpLocation('UTFWry.dat'); // 实例化类 参数表示IP地址库文件
	$data['robotsip'] = get_client_ip();
	$useragent = addslashes(strtolower($_SERVER['HTTP_USER_AGENT']));
	if (strpos($useragent, 'googlebot') !== false) {
	$bot = 'Google';
	} elseif (strpos($useragent, 'mediapartners-google') !== false) {
	$bot = 'Google Adsense';
	} elseif (strpos($useragent, 'baiduspider') !== false) {
	$bot = 'Baidu';
	} elseif (strpos($useragent, 'sogou spider') !== false) {
	$bot = 'Sogou';
	} elseif (strpos($useragent, 'sogou web') !== false) {
	$bot = 'Sogou web';
	} elseif (strpos($useragent, 'sosospider') !== false) {
	$bot = 'SOSO';
	} elseif (strpos($useragent, 'yahoo') !== false) {
	$bot = 'Yahoo';
	} elseif (strpos($useragent, 'msn') !== false) {
	$bot = 'MSN';
	} elseif (strpos($useragent, 'msnbot') !== false) {
	$bot = 'msnbot';
	} elseif (strpos($useragent, 'sohu') !== false) {
	$bot = 'Sohu';
	} elseif (strpos($useragent, 'yodaoBot') !== false) {
	$bot = 'Yodao';
	} elseif (strpos($useragent, 'twiceler') !== false) {
	$bot = 'Twiceler';
	} elseif (strpos($useragent, 'ia_archiver') !== false) {
	$bot = 'Alexa_';
	} elseif (strpos($useragent, 'iaarchiver') !== false) {
	$bot = 'Alexa';
	} elseif (strpos($useragent, 'slurp') !== false) {
	$bot = '雅虎';
	} elseif (strpos($useragent, 'bot') !== false) {
	$bot = '未知'.$useragent;
	}
	$data['robotsname'] = $bot;
	$data['robotsarea'] = serialize($Ip->getlocation($data['robotsip']));
	$data['create_time'] = time();
	if (isset($bot)) //如果是蜘蛛就存到数据库
	{
		//$Jrobot->create();非表单无隐藏域,无法使用create()方法
		$Jrobot = D("Robot");
		$lastInsId = $Jrobot->add($data);
	}