<?
PHP $oldSetting = libxml_use_internal_errors( true );
libxml_clear_errors();
class XF_
htmlDom
{
private $_xpath = null;
private $_
nodePath = '';
public funct
ion __construct($xpath = null, $nodePath = '')
{
$this->_xpath = $xpath;
$this->_nodePath = $nodePath;
}
public function loadHtml($url)
{
ini_set('user_agent', 'Mozilla/5.0 (
linux; U;
Android 2.1; en-us; Nexus One Build/ERD62) Apple
WEBKit/530.17 (KHTML, like Gecko) Version/4.0 Mobile Safari/530.17 –Nexus');
$content = '';
if(strpos(strtolower($url), '
Http')===false)
{
$content = file_get_contents($url);
}
else
{
$ch = curl_init();
$user_agent = "B
aiduspider+(+http://www.baidu.com/search/spider.htm)";
$user_agent1='Mozilla/5.0 (
windows NT 5.1; rv:6.0) Gecko/20100101 Firefox/6.0';
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_USERAGENT, $user_agent1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1);
$content =curl_exec($ch);
curl_close($ch);
}
$html = new DOMDocument();
$html->loadHtml($content);
$this->_xpath = new DOMXPath( $html );
//return $this;
}
public function find($query, $index = null)
{
if($this->_nodePath == '')
$this->_nodePath = '//';
else
$this->_nodePath .= '/';
$nodes = $this->_xpath->query($this->_nodePath.$query);
//echo $nodes->item(0)->getNodePath();exit;
if ($index == null && !is_numeric($index))
{
$tmp = array();
foreach ($nodes as $node)
{
$tmp[] = new XF_HtmlDom($this->_xpath, $node->getNodePath());
}
return $tmp;
}
return new XF_HtmlDom($this->_xpath,$this->_xpath->query($this->_nodePath.$query)->item($index)->getNodePath());
}
public function text()
{
if ($this->_nodePath != '' && $this->_xpath != null )
return $this->_xpath->query($this->_nodePath)->item(0)->textContent;
else
return false;
}
public function getAttribute($name)
{
if ($this->_nodePath != '' && $this->_xpath != null )
return $this->_xpath->query($this->_nodePath)->item(0)->getAttribute($name);
else
return false;
}
public function __get($name)
{
if($name == 'innertext')
return $this->text();
else
return $this->getAttribute($name);
}
}
$xp = new xf_HtmlDom();
$xp->loadHtml('http://www.aizhan.com/siteall/www.opendir.cn/');
$rows = $xp->find("td[@id='baidu']/a", 0)->innertext;
print_r($rows);
0