2.2.3 导航树
作者:
modao233 | 来源:发表于
2019-08-06 22:32 被阅读0次
掌握BeautifulSoup标签树的导航
子标签和后代标签：children()、descendants()
兄弟标签：
next_siblings()、next_sibling()
previous_siblings()、previous_sibling()
父标签：parent()
from urllib.request import urlopen
from bs4 import BeautifulSoup
html = urlopen("http://www.pythonscraping.com/pages/page3.html")
bsObj = BeautifulSoup(html, "html.parser")
for child in bsObj.find("table", {"id" : "giftList"}).children:
print(child)
for sibling in bsObj.find("table", {"id" : "giftList"}).tr.next_siblings:
print(sibling)
print(bsObj.find("img", {"src":"../img/gifts/img1.jpg"}).parent.previous_sibling.get_text())
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