PHP判断搜索引擎蜘蛛并自动记忆到文件的代码

2015-01-24信息快讯网

为了记忆百度蜘蛛的行踪,写了以下的PHP函数,分两个函数,一个是判断蜘蛛名称,一个是记忆蜘蛛到文件,可以自己看一下

 
function write_naps_bot(){ 
$useragent=get_naps_bot(); 
// echoExit($useragent); 
if ($useragent=="false") return FALSE ; 
date_default_timezone_set("Asia/Shanghai"); 
$date=date("Y-m-d H:i:s"); 
$ip=$_SERVER[REMOTE_ADDR]; 
$url="http://".$_SERVER[HTTP_HOST].$_SERVER[REQUEST_URI]; 
// echoExit($url);转载注明www.chhua.com 
if (!file_exists("./log/bot.html")){ 
$botfile=fopen("./log/bot.html", "w"); 
$fileHeader="<head> 
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /> 
<title>访问查看</title> 
</head> 
<a href=\"../?action=delbot\">删除日志</a><hr> 
"; 
// echoExit($botfile);转载注明www.chhua.com 

fputs($botfile, $fileHeader); 
fclose($botfile); 
}else 
{ $filesize=filesize("./log/bot.html"); 
if ($filesize>=100000){ 
$botfile=fopen("./log/bot.html", "w"); 
$fileHeader="<head> 
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /> 
<title>访问查看</title> 
</head> 
<a href=\"../?action=delbot\">删除日志</a><hr> 
"; 
fputs($botfile, $fileHeader); 
fclose($botfile); 
}else { 
$botfile=fopen("./log/bot.html", "a+"); 
} 

//$size="<b>当前文件大小为:</b>".$filesize."<br>";转载注明www.chhua.com 

$useragent="<b>USER:</b>".$useragent."<Br>"; 
$date="<b>TIME:</b>".$date."<Br>"; 
$ip="<b>IP:</b>".$ip."<Br>"; 
$url="<b>URL:</b><a href='$url' target='_blank'>".$url."</a><Br><Br>"; 
$fileStr=$useragent.$date.$ip.$url; 
fputs($botfile, $fileStr); 
fclose($botfile); 
} 
} 

function get_naps_bot() { 
$useragent = strtolower($_SERVER['HTTP_USER_AGENT']); 
if(strpos($useragent, 'googlebot') !== false){ 
return '<font color=blue>Googlebot</font>'; 
} 
if(strpos($useragent, 'msnbot') !== false){ 
return 'MSNbot'; 
} 
if(strpos($useragent, 'slurp') !== false){ 
return '<font color=green>Yahoobot</font>'; 
} 
if(strpos($useragent, 'baiduspider') !== false){ 
return '<font color=red>Baiduspider</font>'; 
} 
if(strpos($useragent, 'sohu-search') !== false){ 
return 'Sohubot'; 
} 
if(strpos($useragent, 'lycos') !== false){ 
return 'Lycos'; 
} 

if(strpos($useragent, 'robozilla') !== false){ 
return 'Robozilla'; 
} 
return "false"; 
} 
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