擅长:python、mysql、java
<p>BeautifulSoup有方法<code>.find_all()</code>-检查<a href="https://www.crummy.com/software/BeautifulSoup/bs4/doc/#find-all" rel="nofollow noreferrer">docs</a>。以下是在代码中使用它的方法:</p>
<pre><code>import sys
import urllib2
from bs4 import BeautifulSoup
quote_page = sys.argv[1] # this should be the first argument on the command line
page = urllib2.urlopen(quote_page)
soup = BeautifulSoup(page, 'html.parser')
images_box = soup.find('div', attrs={'id': 'previewImages'})
links = [img['image-file'] for img in images_box('img')]
print links # in Python 3: print(links)
</code></pre>