python爬虫100例

以下是一些Python爬虫的例子：

1. 爬取网页的文本信息

import requests

url = 'http://www.example.com'
response = requests.get(url)
if response.status_code == 200:
    print(response.text)

2. 爬取网页的图片

import requests

url = 'http://www.example.com/image.jpg'
response = requests.get(url)
if response.status_code == 200:
    with open('image.jpg', 'wb') as f:
        f.write(response.content)

3. 爬取网页中的链接

import requests
from bs4 import BeautifulSoup

url = 'http://www.example.com'
response = requests.get(url)
if response.status_code == 200:
    soup = BeautifulSoup(response.text, 'html.parser')
    for link in soup.find_all('a'):
        print(link.get('href'))

4. 爬取网页中的表格数据

import requests
from bs4 import BeautifulSoup

url = 'http://www.example.com'
response = requests.get(url)
if response.status_code == 200:
    soup = BeautifulSoup(response.text, 'html.parser')
    table = soup.find('table')
    for row in table.find_all('tr'):
        for cell in row.find_all('td'):
            print(cell.text)

5. 爬取网页中的RSS feeds

import feedparser

url = 'http://www.example.com/rss.xml'
feed = feedparser.parse(url)
for entry in feed.entries:
    print(entry.title)
    print(entry.link)

以上是一些Python爬虫的例子，希望对你有帮助。