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- import requests
 
 - from  bs4 import BeautifulSoup
 
  
- url = "https://www.itotii.net/584.html"
 
 - headres = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 SE 2.X MetaSr 1.0'}
 
  
- res=requests.get(url,headers=headres)
 
 - res.encoding = 'utf-8'
 
 - print(res.status_code)
 
  
- soup = BeautifulSoup(res.text,'html.parser')
 
 - item = soup.find_all(class_="article-content")
 
 - print(item)
 
  
- for src in item:
 
 -     herf = item.find_all(data-tag="bdshare")
 
 -     print(herf['src'])
 
 
  复制代码 
网页源代码img标签不存在属性data-tag。 
- import requests
 
 - from  bs4 import BeautifulSoup
 
  
- url = "https://www.itotii.net/584.html"
 
 - headres = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 SE 2.X MetaSr 1.0'}
 
 - res = requests.get(url, headers=headres)
 
 - soup = BeautifulSoup(res.text,'html.parser')
 
 - item = soup.find_all(class_="article-content")[0]
 
 - imgs = item.find_all("img")
 
 - for img in imgs:
 
 -     herf = img["src"]
 
 -     print(herf)
 
  复制代码 
 
 
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