擅长:python、mysql、java
<p>首先找到<code><tr></code>,然后用<code>tr['data-pricer']</code>得到你想要的</p>
<p>试试这个:</p>
<pre><code>from bs4 import BeautifulSoup
html = '''
<table class="premium">
<tr class="retailer top-offer" data-pricer="47.84" saler-id="123">...</td>
<tr class="retailer" data-pricer="57.11" saler-id="234">...</td>
</table>
<table class="basic-supp">
<tr class="retailer top-offer" data-pricer="41.87" saler-id="456">...</td>
<tr class="retailer" data-pricer="58.12" saler-id="567">...</td>
</table>
'''
soup = BeautifulSoup(html , 'html.parser')
for table in soup.find_all("table", {"class": "basic-supp"}):
for tr in table.find_all('tr'):
print(tr['data-pricer'])
</code></pre>