这篇文章主要介绍了php中Snoopy类用法,实例分析了使用Snoopy类实现页面抓取的相关技巧,需要的朋友可以参考下
本文实例讲述了php中Snoopy类用法。分享给大家供大家参考。具体分析如下:
这里演示了php中如何通过Snoopy抓取网页信息
snoopy类的下载地址:http://sourceforge.net/projects/snoopy/
- /*
- 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: ".$snoopy->response_code."<br/>/n";
- // print the headers:
- print "<b>Headers:</b><br/>";
- while(list($key,$val) = each($snoopy->headers)){
- print $key.": ".$val."<br/>/n";
- }
- print "<br/>/n";
- // print the texts of the website:
- print "<pre>".htmlspecialchars($snoopy->results)."</pre>/n";
- }
- else {
- print "Snoopy: error while fetching document: ".$snoopy->error."/n";
- }
希望本文所述对大家的php程序设计有所帮助。
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