PHP记录搜索引擎蜘蛛访问网站足迹的方法_php技巧
本文实例讲述了PHP记录搜索引擎蜘蛛访问网站足迹的方法。分享给大家供大家参考。具体分析如下:
搜索引擎的蜘蛛访问网站是通过远程抓取页面来进行的,我们不能使用JS代码来取得蜘蛛的Agent信息,但是我们可以通过image标签,这样我们就可以得到蜘蛛的agent资料了,通过对agent资料的分析,就可以确定蜘蛛的种类、性别等因素,我们在通过数据库或者文本来记录就可以进行统计了。
数据库结构:
以下为引用的内容:
# # 表的结构 `naps_stats_bot` # CREATE TABLE `naps_stats_bot` ( `botid` int(10) unsigned NOT NULL auto_increment, `botname` varchar(100) NOT NULL default '', `botagent` varchar(200) NOT NULL default '', `bottag` varchar(100) NOT NULL default '', `botcount` int(11) NOT NULL default '0', `botlast` datetime NOT NULL default '0000-00-00 00:00:00', `botlasturl` varchar(250) NOT NULL default '', UNIQUE KEY `botid` (`botid`), KEY `botname` (`botname`) ) TYPE=MyISAM AUTO_INCREMENT=9 ; # # 导出表中的数据 `naps_stats_bot` # INSERT INTO `naps_stats_bot` VALUES (1, 'Googlebot', 'Googlebot/2.X (+http://www.googlebot.com/bot.html)', 'googlebot', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (2, 'MSNbot', 'MSNBOT/0.1 (http://search.msn.com/msnbot.htm)', 'msnbot', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (3, 'Inktomi Slurp', 'Slurp/2.0', 'slurp', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (4, 'Baiduspider', 'Baiduspider+(+http://www.baidu.com/search/spider.htm)', 'baiduspider', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (5, 'Yahoobot', 'Mozilla/5.0+(compatible;+Yahoo!+Slurp;+http://help.yahoo.com/help/us/ysearch/slurp)', 'slurp', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (6, 'Sohubot', 'sohu-search', 'sohu-search', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (7, 'Lycos', 'Lycos/x.x', 'lycos', 0, '0000-00-00 00:00:00', ''); INSERT INTO `naps_stats_bot` VALUES (8, 'Robozilla', 'Robozilla/1.0', 'robozilla', 0, '0000-00-00 00:00:00', '');
PHP程序如下:
以下为引用的内容:
<?php /************************ * NAPS -- Network Article Publish System * ---------------------------------------------- * bot.php * ------------------- * begin : 2004-08-15 * ************************/ /************************ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License. * ************************/ /************************ * * NAPS产品是自由软件。你可以且必须根据《GNU GPL-GNU通用公共许可证》的相关规定 * 复制、修改及分发NAPS产品。任何以NAPS产品为基础的衍生发行版未必须经过飘飘的授权。 * ************************/ error_reporting(E_ALL & ~E_NOTICE); function get_naps_bot() { $useragent = strtolower($_SERVER['HTTP_USER_AGENT']); if (strpos($useragent, 'googlebot') !== false){ return 'Googlebot'; } if (strpos($useragent, 'msnbot') !== false){ return 'MSNbot'; } if (strpos($useragent, 'slurp') !== false){ return 'Yahoobot'; } if (strpos($useragent, 'baiduspider') !== false){ return 'Baiduspider'; } if (strpos($useragent, 'sohu-search') !== false){ return 'Sohubot'; } if (strpos($useragent, 'lycos') !== false){ return 'Lycos'; } if (strpos($useragent, 'robozilla') !== false){ return 'Robozilla'; } return false; } $tlc_thispage = addslashes($_SERVER['HTTP_USER_AGENT']); //添加蜘蛛的抓取记录 $searchbot = get_naps_bot(); if ($searchbot) { $DB_naps->query("UPDATE naps_stats_bot SET botcount=botcount+1, botlast=NOW(), botlasturl='$tlc_thispage' WHERE botname='$searchbot'"); } ?>
希望本文所述对大家的php程序设计有所帮助。

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