本篇文章主要介绍php使用snoopy类实现页面抓取的方法，感兴趣的朋友参考下，希望对大家有所帮助。
本文实例讲述了php中Snoopy类用法，具体分析如下：
这里演示了php中如何通过Snoopy抓取网页信息
/*
You need the snoopy.class.php from
http://snoopy.sourceforge.net/
*/
include("snoopy.class.php");
$snoopy = new Snoopy;
// need an proxy?:
//$snoopy->proxy_host = "my.proxy.host";
//$snoopy->proxy_port = "8080";
// set browser and referer:
$snoopy->agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
$snoopy->referer = "http://www.jonasjohn.de/";
// set some cookies:
$snoopy->cookies["SessionID"] = '238472834723489';
$snoopy->cookies["favoriteColor"] = "blue";
// set an raw-header:
$snoopy->rawheaders["Pragma"] = "no-cache";
// set some internal variables:
$snoopy->maxredirs = 2;
$snoopy->offsiteok = false;
$snoopy->expandlinks = false;
// set username and password (optional)
//$snoopy->user = "joe";
//$snoopy->pass = "bloe";
// fetch the text of the website www.google.com:
if($snoopy->fetchtext("http://www.google.com")){
// other methods: fetch, fetchform, fetchlinks, submittext and submitlinks
// response code:
print "response code: ".$snoopy->response_code."
\n";
// print the headers:
print "Headers:
";
while(list($key,$val) = each($snoopy->headers)){
print $key.": ".$val."
\n";
}
print "
\n";
// print the texts of the website:
print "".htmlspecialchars($snoopy->results)."
\n";
}
else {
print "Snoopy: error while fetching document: ".$snoopy->error."\n";
}
总结：以上就是本篇文的全部内容，希望能对大家的学习有所帮助。
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