python爬虫练习5——新闻联播

提取新闻联播相关文字并输出

网址：新闻联播 (cctv.com)

import requests
import re
    
url = 'https://tv.cctv.com/lm/xwlb/'
ua = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 Edg/91.0.864.59'}
r = requests.get(url , headers = ua ,timeout = 30)
r.encoding = r.apparent_encoding

pat1 = '<li><a href="(.*?)" target'
    
url = re.compile(pat1,re.S).findall(r.text)[2]

r = requests.get(url , headers = ua ,timeout = 30)
r.encoding = r.apparent_encoding


pat2 = 'description content="(.*?)<meta name'
lst = re.compile(pat2,re.S).findall(r.text)
print(lst)


pat3 = '<p><strong>(.*?)</div>'
body = re.compile(pat3,re.S).findall(r.text)
print(body)


path='C:/Users/Administrator/Desktop/xwlb.txt'

with open (path,'w') as f:
        s = str(body)
        f.write(s)        
        f.close()        
print('文件保存成功')

　　

目前只能单条爬取，如何多条爬取输出，还望各位指点，另外，输出内容不能分行，不太美观，还希望各位改进指正