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javascript - php 抓取的页面如何处理可以只保留DOM结构，去掉CSS和JS？

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2016-06-06 20:50:471278browse

正则规则写好后，页面一旦有改变就要重新修改正则。
先提取页面的 DOM，有没有比较好的办法？

回复内容：

正则规则写好后，页面一旦有改变就要重新修改正则。
先提取页面的 DOM，有没有比较好的办法？

我想你需要的是 php 的 DOM 模块 ... 默认有安装不用担心 ...

因为不知道你的实际应用场景是什么 ... 给你写个简单的例子吧 ...

<?php /* i heard that you need DOM ..? */
$doc = new DOMDocument();

/* i wrote a simple page ... change it to a curl result ... */
$doc->loadHTML( <title>Sunyanzi's Test</title>

  <h1>Hello World</h1>
  <a href="http://segmentfault.com/" id="onlylink">Hey Welcome</a>
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