小编给大家分享一下Python爬虫中如何创建 beautifulsoup 对象，希望大家阅读完这篇文章后大所收获，下面让我们一起去探讨吧！
首先必须要导入 bs4 库
from bs4 import BeautifulSoup
我们创建一个字符串，后面的例子我们便会用它来演示
html = """
<html><head><title>The Dormouse's story</title></head>
<body>
<p name="dromouse"><b>The Dormouse's story</b></p>
<p>Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" id="link1"><!-- Elsie --></a>,
<a href="http://example.com/lacie" id="link2">Lacie</a> and
<a href="http://example.com/tillie" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>
<p>...</p>
"""
创建 beautifulsoup 对象
soup = BeautifulSoup(html)
另外，我们还可以用本地 HTML 文件来创建对象，例如
soup = BeautifulSoup(open('index.html'))上面这句代码便是将本地 index.html 文件打开，用它来创建 soup 对象 下面我们来打印一下 soup 对象的内容，格式化输出
print soup.prettify()
输出结果：
<html>
<head>
<title>
The Dormouse's story
</title>
</head>
<body>
<p name="dromouse">
<b>
The Dormouse's story
</b>
</p>
<p>
Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" id="link1">
<!-- Elsie -->
</a>
,
<a href="http://example.com/lacie" id="link2">
Lacie
</a>
and
<a href="http://example.com/tillie" id="link3">
Tillie
</a>
;
and they lived at the bottom of a well.
</p>
<p>
...
</p>
</body>
</html>
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