这是否可以仅从 HTML 文件中提取所有文本？

Question

我正在考虑删除所有格式，所有文本就像您转到网站的任何页面一样，用户 Ctrl+A 和 Ctrl + C，然后使用 Ctrl + V 将所有内容粘贴到记事本中。你会明白我的意思是提取所有的文本......只是。让我们使用一个网站来更好地解释： 本站： https://developer.palm.com/content/resources/develop/quick_start_ios.html

还有我想要的：

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HomeResourcesQuick Start iOS
Quick Start - iOS Developers
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If you've been developing for iOS® and are looking to expand your audience, we're here to help. Getting started with webOS is easy! If your current focus is OpenGL/SDL, then the transition will be simplicity itself. We have lots of great stories of developers porting their OpenGL apps very quickly. You can use the publicly available 3.0 SDK to do OpenGL/SDL development now with the included Plug-in Development Kit (PDK). Best of all, the PDK integrates nicely with  Xcode.

If your focus is web app development, you'll want to look at Enyo, our next-generation JavaScript framework, which is included in the 3.0 SDK.

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Answer 1

这应该可以工作

<?php 

echo strip_tags(file_get_contents("https://developer.palm.com/content/resources/develop/quick_start_ios.html"));

这就是一般的想法。您可以执行str_replace('<br/>', '\n', $output) 之类的操作来更好地格式化它。

Answer 2

我使用 lynx，在你的终端上试试这个：

lynx -dump http://www.google.com

Answer 3

另一种方法是检索页面主体标签的值：

$html = new DOMDocument();

$html->loadHTMLFile("https://developer.palm.com/content/resources/develop/quick_start_ios.html");

$body = $html->getElementsByTagName("body");
$body = $body->item(0);

echo $body->nodeValue;

Answer 4

您可以使用文档树来执行此操作，只需保留所有文本节点并删除所有元素节点。

您可以使用 javascript 或 C++ 和 webkit 来实现它。