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python - 无法从以下 html 代码中打印出 [0] 数据

问题描述

我可以从 html 中打印出 [0] 吗？

from bs4 import BeautifulSoup

soup=BeautifulSoup("""<div class="couponTable"><div id="tgCou1" class="tgCoupon couponRow"><span class="spBtnMinus"></span><!-- react-text: 67 -->Wednesday Matches<!-- /react-text --></div><div class="couponRow rAlt1 tgCou1" id="rmid20180905WED1"><img src="/ContentServer/jcbw/images/flag_JLC.gif?CV=L302R1g" alt="Japanese League Cup" title="Japanese League Cup" class="cfJLC"><img src="/ContentServer/jcbw/images/icon_tv-C661.gif?CV=L302R1g" alt="C661-i-CABLE 661 C601-i-CABLE 601" title="C661-i-CABLE 661 C601-i-CABLE 601"></span></span><img src="/football/info/images/btn_odds.gif?CV=L302R1g" alt="All Odds" title="All Odds"></a></div><div class="couponRow rAlt0 tgCou1" id="rmid20180905WED2"><img src="/ContentServer/jcbw/images/flag_JLC.gif?CV=L302R1g" alt="Japanese League Cup" title="Japanese League Cup" class="cfJLC"><img src="/ContentServer/jcbw/images/icon_tv-C662.gif?CV=L302R1g" alt="C662-i-CABLE 662 C602-i-CABLE 602" title="C662-i-CABLE 662 C602-i-CABLE 602"></span></span><img src="/football/info/images/btn_odds.gif?CV=L302R1g" alt="All Odds" title="All Odds"></a></div></div></div>""",'html.parser')

lines=soup.find_all('img')
for line in lines:
    print(line['alt'])

输出

Japanese League Cup
C661-i-CABLE 661 C601-i-CABLE 601
All Odds
Japanese League Cup
C662-i-CABLE 662 C602-i-CABLE 602
All Odds

预期产出

Japanese League Cup
Japanese League Cup

标签： pythonbeautifulsoup

解决方案

查看您对其他人的回复，您似乎不想要所有图像的替代文本，而只想要指定的图像。您给出的（诚然很小的）示例的共同点是它们共享一个类。这可能是你要找的吗？

lines=soup.find_all('img', class_='cfJLC') 
for line in lines:
    print(line['alt'])

输出：

Japanese League Cup
Japanese League Cup

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