下面是一个示例html页面源代码
<html><body><div class="a-section a-spacing-medium a-spacing-top-small" id="feature-bullets">
<ul class="a-vertical a-spacing-none">
<li><span class="a-list-item"> Material: Cotton ; Colour: Light blue</span> </li>
<li><span class="a-list-item"> Closure Type: Zip</span></li>
<li><span class="a-list-item"> Fit Type: Slim Fit</span></li>
</ul>
</div></body></html>如何使用优美汤从这个html页面获得颜色值(浅蓝色)?
Soup.find=.get(‘ul’,{'class‘:’a-垂直a-空格-无‘}).get(’a-list-item‘)
发布于 2016-02-19 06:58:25
使用BeautifulSoup解析器。
>>> from bs4 import BeautifulSoup
>>> s = '''<html><body><div class="a-section a-spacing-medium a-spacing-top-small" id="feature-bullets">
<ul class="a-vertical a-spacing-none">
<li><span class="a-list-item"> Material: Cotton ; Colour: Light blue</span> </li>
<li><span class="a-list-item"> Closure Type: Zip</span></li>
<li><span class="a-list-item"> Fit Type: Slim Fit</span></li>
</ul>
</div></body></html>'''
>>> soup = BeautifulSoup(s, 'lxml')
>>> txt = [i.text for i in soup.select('.a-vertical .a-list-item')]
>>> txt
[u' Material: Cotton ; Colour: Light blue', u' Closure Type: Zip', u' Fit Type: Slim Fit']
>>> import re
>>> next(re.search(r'Colour\s*:\s*([^;]+)', j).group(1) for j in txt if 'Colour' in j )
u'Light blue'
>>> https://stackoverflow.com/questions/35498999
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