使用DOMDocument抓取数据 并分类

WBOY
Release: 2016-06-23 14:27:15
Original
1203 people have browsed it

http://smart-phones.biyixia.com/node/1013

<?php/** * Created by PhpStorm. * User: Admin * Date: 13-11-14 * Time: 下午10:42 */$link[]=array();$page_url='http://smart-phones.biyixia.com/node/1013';//$content=get_data($page_url);$doc= new DOMDocument();@$doc->loadHTMLFile($page_url);$div_contents = $doc->getElementsByTagName('div');print_r($div_contents);foreach($div_contents as $div_content ){    $items = $div_content->getAttribute("class");    $itme_value = $items->nodeValue;}echo $items_value;
Copy after login


我想要的效果是 比如: 手机尺寸=>XXXX
产品价格=>XXXX

跪求指导!!!


回复讨论(解决方案)

$link[]=array();$page_url='http://smart-phones.biyixia.com/node/1013';//$content=get_data($page_url);$doc= new DOMDocument();@$doc->loadHTMLFile($page_url);$xPath = new  DOMXPath($doc);$div_tags = $xPath->evaluate("/html/body//div//@class");for($i=0;$i<$div_tags->length;$i++){    $div_tag=$div_tags->item($i);    $div_contents=$div_tag->nodeValue;    echo $div_contents;    echo "<br>";}
Copy after login


使用xpath也能到标签里的内容

<div class="col-xs-3 key">图像尺寸</div>
Copy after login


比如想要拿出图像尺寸 怎么搞??????人呢。。。。

你都会xpath,还要问么?
自己用firebug或类似插件查一查就知道xpath了

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template