import requests
response = requests.get("http://www.baidu.com")
print(response.text) #str 有乱码
response.encoding = 'utf8'
print(response.text)
print(response.content) #二进制
print(response.content.decode()) #将二进制解码
import requests
from bs4 import BeautifulSoup
soup = BeautifulSoup('<html>data</html>','lxml')
print(soup)
import requests
from bs4 import BeautifulSoup
'''
find(self,name=None,attrs={},recursive=True,text=None,**kwargs)
name:标签名<a>
attrs：属性字典class
recursive：是否递归循环查找
text：根据文本内容查找
返回：查找到第一个元素对象
find_all
find(id='link1')
find(attrs={'id':'link1'})
find(text='123')
a.name 标签名
a.attts 属性
a.text 文本内容
'''
import requests
from bs4 import BeautifulSoup
response = requests.get('https://ncov.dxy.cn/ncovh5/view/pneumonia')
home_page = response.content.decode()
soup = BeautifulSoup(home_page,'lxml')
script = soup.find(id='getListByCountryTypeService2true')
text = script.text
print(text)
import re
rs = re.findall('a\nbc','a\nbc')
print(rs)
rs = re.findall('a\\nbc','a\\nbc')
print(rs)
rs = re.findall('a\\\\nbc','a\\nbc')
print(rs)
rs = re.findall(r'a\nbc','a\nbc')
print(rs)
rs = re.findall(r'\d','a123')
print(rs)
import json
import requests
from bs4 import BeautifulSoup
import re
response = requests.get('https://ncov.dxy.cn/ncovh5/view/pneumonia')
home_page = response.content.decode()
soup = BeautifulSoup(home_page,'lxml')
script = soup.find(id='getListByCountryTypeService2true')
text = script.text
#print(text)
json_str = re.findall(r'\[.+\]',text)[0]
#print(json_str)
last_day = json.loads(json_str)
print(last_day)