错误代码418
修改之前的代码,无信息打印及错误信息提示,打印res,获取错误代码418:
import requests
import bs4
def down_douban_moviename():
res = requests.get("https://movie.douban.com/top250")
soup = bs4.BeautifulSoup(res.text,"html.parser")
targets = soup.find_all("div",class_="hd")
print(targets)
for each in targets:
print(each.a.span.text)
if __name__ == "__main__":
down_douban_moviename()
修改之后的代码:
成功运行
import requests
import bs4
def down_douban_moviename():
header = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36'}
res = requests.get("https://movie.douban.com/top250",headers = header)
soup = bs4.BeautifulSoup(res.text,"html.parser")
targets = soup.find_all("div",class_="hd")
print(targets)
for each in targets:
print(each.a.span.text)
if __name__ == "__main__":
down_douban_moviename()
参考资料:https://blog.youkuaiyun.com/weixin_43902320/article/details/104342771
博客详细介绍了在使用Python进行网页爬取时遇到的418错误,以及如何通过添加User-Agent头解决该问题。作者展示了原始代码,并在其中发现请求缺少必要的User-Agent,导致了错误。在添加了正确的User-Agent后,代码成功运行并能够抓取豆瓣电影Top250页面的电影名称。
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