BeautifulSoup4的安装及使用

如：soup.title

#

soup.p

#

The Dormouse's story

soup.a（注：仅仅返回第一个结果）

# Elsie

soup.find_all('a') （find_all 可以返回所有）

# [Elsie,

# Lacie,

# Tillie]

find还可以按属性查找

soup.find(id="link3")

# Tillie

要取某个标签的某个属性beautifulsoup怎么用，可用变量有 find_all,get

for link insoup.find_all('a'):

print(link.get('href'))

#

#

#

要取html文件中的所有文本beautifulsoup怎么用，可使用get_text()

print(soup.get_text())

# TheDormouse's story

# TheDormouse's story

# Once upona time there were three little sisters; and their names were

#Elsie,

# Lacieand

#Tillie;

# and theylived at the bottom of a well.

# ...

如果是打开html文件，语句可用：

soup =BeautifulSoup(open("index.html"))

BeautifulSoup中的Object

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