简单的python爬虫

准备工作

爬取网站77读书

先选择一本书:《万相之王》

复制链接:http://www.77shuku.org/chapter/34212/17138703.html

代码实操

import requests
from lxml import etree
import re

cookies = {
    'clickbids': '96780',
    'Hm_lvt_a5ca352c842077802ed8d4e53d0a525b': '1734608332',
    'HMACCOUNT': '652E632A38AD9859',
    'Hm_lpvt_a5ca352c842077802ed8d4e53d0a525b': '1734608337',
}

headers = {
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
    'Accept-Language': 'zh-CN,zh;q=0.9',
    'Cache-Control': 'max-age=0',
    'Connection': 'keep-alive',
    # 'Cookie': 'clickbids=96780; Hm_lvt_a5ca352c842077802ed8d4e53d0a525b=1734608332; HMACCOUNT=652E632A38AD9859; Hm_lpvt_a5ca352c842077802ed8d4e53d0a525b=1734608337',
    'Referer': 'http://www.77shuku.org/novel/96780/',
    'Upgrade-Insecure-Requests': '1',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
}
Url=input('输入你要爬77读书小说的网站：')
response = requests.get(Url, cookies=cookies, headers=headers, verify=False)
response.encoding=response.apparent_encoding
et=etree.HTML(response.text)
url=et.xpath("//div[@class='control']/span/a[@class=' pre_z pmulu']/@href")
ret=et.xpath("//div[@class='page-body']/div[@class='page-content']/text()")
novel=''.join(ret) 
novel_clean= re.sub(r'[\xa0\r\n]+', '', novel)
url_clenn=[re.sub(r''$', '', p) for p in url]
zurl=url_clenn[0]
with open(f'new{0}.tex','w') as file:
        file.write(novel_clean)
for i in range(1,3): ##爬多少张这里是3章
    response = requests.get(zurl, cookies=cookies, headers=headers, verify=False)
    response.encoding=response.apparent_encoding
    et=etree.HTML(response.text)
    url=et.xpath("//div[@class='control']/span/a[@class=' pre_z pmulu']/@href")
    ret=et.xpath("//div[@class='page-body']/div[@class='page-content']/text()")
    novel=''.join(ret) 
    novel_clean= re.sub(r'[\xa0\r\n]+', '', novel)
    url_clenn=[re.sub(r''$', '', p) for p in url]
    zurl=url_clenn[0]
    with open(f'new{i}.tex','w') as file:
        file.write(novel_clean)
print("成功")

总结

re库是找Ai的，后面需多加学习

这个太过简单，还需学习