php统计dede搜索引擎蜘蛛来访情况

网上有很多教程了，但是好多人不会用，有两种方法
先建立个文件zz.php放根目录，代码如下

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;
}

function nowtime(){
$date=date("Y-m-d.G:i:s");
return $date;
}

$searchbot = get_naps_bot();

if ($searchbot) {
$tlc_thispage = addslashes($_SERVER['HTTP_USER_AGENT']);
$url=$_SERVER['HTTP_REFERER'];
$file="log.txt";
$time=nowtime();
$data=fopen($file,"a");
fwrite($data,"Time:$time robot:$searchbot URL:$tlc_thispage\n");
fclose($data);
}
?>

1，首页不生成，在index.php
include("zz.php");
2生成html的情况在首页底部模版中加入

<script language="JavaScript" src="/zz.php"></script>

抓到蜘蛛后存放于log.txt

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