phpQuery用法总结

项目下载地址：http://code.google.com/p/phpquery/

获取内容的方法:

第一种:newDocumentFile

phpQuery::newDocumentFile($url);

第二种:

$content = file_get_contents($url);
$htmlObj = phpQuery::newDocumentHTML($content);

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获取网页内容:

第一种:获取html节点

pq('title')->html()

第二种:获取script内容(会分数组)

pq("script")->getString();  

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突破防爬虫

 function _get_fake_apider($url) {
         $ch = curl_init();
         $ip = '115.239.211.112';  //百度蜘蛛
         $timeout = 15;
         curl_setopt($ch,CURLOPT_URL,$url);
         curl_setopt($ch,CURLOPT_TIMEOUT, $timeout);
         //伪造百度蜘蛛IP
         curl_setopt($ch,CURLOPT_HTTPHEADER,array('X-FORWARDED-FOR:'.$ip.'','CLIENT-IP:'.$ip.''));
         //伪造百度蜘蛛头部
         curl_setopt($ch,CURLOPT_USERAGENT,"Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)");
         curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
         curl_setopt($ch,CURLOPT_HEADER,0);
         curl_setopt ($ch, CURLOPT_REFERER, "http://www.baidu.com/ ");   //构造来路
         curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
         $content = curl_exec($ch);
         return $content;
     }