-1
我将如何检索a.page_arrows简单的HTML DOM嵌套试图赶上下一个
<div class="page-nav">
<a class="paginationNumberStyle page_arrows" data-url="/Building-Materials-Concrete-Cement-Masonry/h_d1/N-5yc1vZ25ecodZarlk/h_d2/Navigation?catalogId=10053&Nu=P_PARENT_ID&langId=-1&Nao=384&storeId=10051">
<img alt="" src="/static/images/layout/triangle-green-left.gif"></a>
<span>6</span>
<a class="paginationNumberStyle" data-url="/Building-Materials-Concrete-Cement-Masonry/h_d1/N-5yc1vZ25ecodZarlk/h_d2/Navigation?catalogId=10053&Nu=P_PARENT_ID&langId=-1&Nao=576&storeId=10051">7</a>
<a class="paginationNumberStyle" data-url="/Building-Materials-Concrete-Cement-Masonry/h_d1/N-5yc1vZ25ecodZarlk/h_d2/Navigation?catalogId=10053&Nu=P_PARENT_ID&langId=-1&Nao=672&storeId=10051">8</a>
<a class="paginationNumberStyle page_arrows" data-url="/Building-Materials-Concrete-Cement-Masonry/h_d1/N-5yc1vZ25ecodZarlk/h_d2/Navigation?catalogId=10053&Nu=P_PARENT_ID&langId=-1&Nao=576&storeId=10051">
<img alt="" src="/static/images/layout/triangle-green-right.gif"></a>
</div>
我试图收集链接,然后进入下一个页面,并收集环节誓不罢休的最后一次出现没有嵌套页面。这是我的代码:
getLinks('http://www.homedepot.com/Building-Materials-Concrete-Cement-Masonry/h_d1/N-5yc1vZ25ecodZarlk/h_d2/Navigation?catalogId=10053&Nu=P_PARENT_ID&langId=-1&storeId=10051¤tPLP=true&omni=c_Concrete,%20Cement%20&%20Masonry&searchNav=true');
function getLinks($URL) {
$html = file_get_contents($URL);
$dom = new simple_html_dom();
$dom -> load($html);
foreach ($dom->find('a[class=item_description]') as $href){
$url = $href->href;
echo $url.'<br>';
}
if ($nextPage = $dom->find("a[class=paginationNumberStyle]" ,0)){
$nextPageURL = 'http://www.homedepot.com'.$nextPage->getAttribute('data-url');
$dom -> clear();
unset($dom);
getLinks($nextPageURL);
} else {
echo "\nEND";
$dom -> clear();
unset($dom);
}
}
对不起我的键盘是演戏了,因为我的孩子们用我的笔记本电脑 – dianeinflorida 2013-03-04 04:13:15
好,但你仍然有缺口需要修复的问题。就像我在最后一个问题中所说的,获得a.page_arrows的最后一次出现是错误的方法。你想要的是识别里面有正确的箭头图像的链接。 – pguardiario 2013-03-04 04:22:02
这是链接区域 ,那么我该如何指定triangle-green-right.gif而之前的数据url呢?还有关于清洗gummi的任何建议都会在我的钥匙之间产生粘性? – dianeinflorida 2013-03-04 06:11:29