刚开始学爬虫,有好多地方不懂,这个爬取豆瓣短评的代码也是学着博客里的文章一边理解一边打的,可运行完了就是不显示结果。安装的是anaconda3-2020.02版本,jupyter notebook6.0.3版本,运行的时候一开始In【】里面是星号,运行完了之后是数字,然后就没有然后了,没结果显示,也没报错。暴风哭泣。。。求大神指点
import requests
from bs4 import BeautifulSoup
num = 0
url = 'https://movie.douban.com/subject/26683723/comments?status=P'
req = requests.get(url,{'User-Agent': 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36'})
soup = BeautifulSoup(req.text,'lxml')
xml = soup.find_all('span',class_='short')
for i in range(len(xml)):
msg = xml[i].string
if not msg is None:
num += 1
print('第',num,'条',msg)