pychon中爬取网页信息，输出时乱码问题，求解决

Question

今天练习一下pychon的爬取，就写了一个爬取三国演义的爬虫，结果在输出中文时出现乱码。

import requests
from bs4 import  BeautifulSoup
url='https://www.shicimingju.com/book/sanguoyanyi.html'
headers={
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36'
}
page_text=requests.get(url=url,headers=headers).text
soup=BeautifulSoup(page_text,'lxml')
li_list=soup.select('.book-mulu>ul>li')
fp=open('./三国演义.txt','w',encoding='utf-8')
for li in li_list:
    title=li.a.string
    detail_url='https://www.shicimingju.com/'+li.a['href']
    detail_url_text=requests.get(url=detail_url,headers=headers).text
    detail_soup=BeautifulSoup(detail_url_text,'lxml')
    div_tag=detail_soup.find('div',class_='chapter_content')
    content = div_tag.text
    fp.write(title+':'+content+'\n')
    print(title,'爬取完毕!!!')
print('全部爬取完毕')

爬出来的全是中文乱码：

已经加入了encoding='utf-8'后依然如此，上网找百度也寻觅无果，求指点

Answer 1

你requests 读取页面文件的编码不对 ,用 res.encoding='utf-8'或res.encoding='gbk'设置下读取页面文件用的编码, 再获取res.text即可，比如

res=requests.get('http://www.xxxx.com')
res.encoding='utf-8'
#或res.encoding='gbk'
print(res.text)

或者也可以设置 res.encoding=res.apparent_encoding 自动从网页的内容中分析网页编码

你题目的解答代码如下：

import requests
from bs4 import  BeautifulSoup
url='https://www.shicimingju.com/book/sanguoyanyi.html'
headers={
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36'
}

res=requests.get(url=url,headers=headers)
res.encoding=res.apparent_encoding
page_text=res.text

soup=BeautifulSoup(page_text,'lxml')
li_list=soup.select('.book-mulu>ul>li')
fp=open('./三国演义.txt','w',encoding='utf-8')
for li in li_list:
    title=li.a.string
    detail_url='https://www.shicimingju.com/'+li.a['href']
    detail_url_text=requests.get(url=detail_url,headers=headers).text
    detail_soup=BeautifulSoup(detail_url_text,'lxml')
    div_tag=detail_soup.find('div',class_='chapter_content')
    content = div_tag.text
    fp.write(title+':'+content+'\n')
    print(title,'爬取完毕!!!')
print('全部爬取完毕')

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