黑马程序员论坛人工智能板块帖子抓取教程：获取标题、作者、发布时间和链接

抓取人工智能板块帖子的代码如下所示：

import requests
from bs4 import BeautifulSoup

url = 'https://bbs.itheima.com/forum-ai-1.html'
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'
}
response = requests.get(url, headers=headers)
soup = BeautifulSoup(response.text, 'html.parser')

posts = soup.select('.bm_c tbody')[1].select('tr')
for post in posts:
    title = post.select('.xst')[0].text.strip()
    author = post.select('.by cite')[0].text.strip()
    date = post.select('.by em')[0].text.strip()
    link = 'https://bbs.itheima.com/' + post.select('.xst')[0]['href']
    print('标题：', title)
    print('作者：', author)
    print('发布时间：', date)
    print('链接：', link)
    print('------------------------')

运行代码后，可以获取到人工智能板块帖子的标题、作者、发布时间以及链接。