使用Python 3从网站下载所有pdf文件。2

pip install requests
pip install beautifulsoup4

import requests
from bs4 import BeautifulSoup
import os

def get_pdf_links(url):
    response = requests.get(url)
    soup = BeautifulSoup(response.text, 'html.parser')
    pdf_links = []
    for link in soup.find_all('a'):
        href = link.get('href')
        if href.endswith('.pdf'):
            pdf_links.append(href)
    return pdf_links

def download_pdf(url, save_path):
    response = requests.get(url)
    with open(save_path, 'wb') as file:
        file.write(response.content)

def download_all_pdf(url, save_directory):
    pdf_links = get_pdf_links(url)
    for link in pdf_links:
        pdf_url = url + link
        pdf_name = link.split('/')[-1]
        save_path = os.path.join(save_directory, pdf_name)
        download_pdf(pdf_url, save_path)

url = 'https://example.com/pdf/'
save_directory = 'path/to/save/directory'
download_all_pdf(url, save_directory)