1.5学习进度

今日学习1.5小时

由于之前爬虫只是简单的运用与某个目的进行实现，具体内容不是很懂，这几天想着重学一下爬虫

通过网盘python学习看的视频来学习的

from fake_useragent import UserAgent
import requests
from lxml import etree
url='https://www.qidian.com/rank/yuepiao/'
headers={
    "UserAgent":UserAgent().chrome
}
resp=requests.get(url,headers=headers)
# print(resp.text)
e=etree.HTML(resp.text)
# print(etree.tostring(e).decode())
names=e.xpath('//div[@class="book-mid-info"]/h2/a/text()')
print(names)

import re

str='I study python3.6 eveyr_day'

print("----------------------match()-----------------")
m1=re.match(r'I',str)
m2=re.search(r's\w+',str)
m3=re.search(r'I (\w+)',str)
m4=re.findall(r'p.+\d',str)
print(m1)
print(m2)
print(m3)
print(m4)

s1=re.sub(r'e\w+',r'Everyday',str)
print(s1)