.. 从 BS4 迁移到 lxml 指南 documentation master file, created by
sphinx-quickstart on Fri Mar 20 10:47:28 2020.
You can adapt this file completely to your liking, but it should at least
contain the root `toctree` directive.
从 BS4 迁移到 lxml 指南！
===================================================
.. warning::
本指南的所有内容仅在 Python 3 下通过测试，不保证在 Python 2 下依然可行！
术语标准
------------
在继续阅读本指南之前，我们应该建立一个关于 HTML 基本术语的共识，一般来说：
.. figure:: https://mdn.mozillademos.org/files/16475/element.png
:alt: MDN element
.. figure:: https://mdn.mozillademos.org/files/16476/attribute.png
:alt: MDN attribute
以上图片引用自 `MDN`_
----
使用以下 HTML 代码生成 ``bs4.BeautifulSoup`` 对象和 ``lxml.etree._Element`` 对象::
html_doc = """
The Dormouse's story
The Dormouse's story
Once upon a time there were three little sisters; and their names were
Elsie,
Lacie and
Tillie;
and they lived at the bottom of a well.
...
"""
from lxml import etree
ehtml = etree.HTML(html_doc)
from bs4 import BeautifulSoup
soup = BeautifulSoup(html_doc, 'html.parser')
.. toctree::
:maxdepth: 2
:caption: Contents:
docs
xpath
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`
.. _MDN: https://developer.mozilla.org/zh-CN/docs/Learn/Getting_started_with_the_web/HTML_basics