从CSV - BeautifulSoup中保存的URL列表中抓取电子邮件

import csv
import requests
from bs4 import BeautifulSoup
import re

# 读取CSV文件
url_list = []
with open('urls.csv', 'r') as csv_file:
    csv_reader = csv.reader(csv_file)
    for row in csv_reader:
        url_list.append(row[0])

# 抓取电子邮件
email_list = []
for url in url_list:
    response = requests.get(url)
    html = response.text
    soup = BeautifulSoup(html, 'html.parser')
    email_elements = soup.find_all(text=re.compile(r'\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b'))
    for element in email_elements:
        email_list.append(element)

# 保存电子邮件
with open('emails.csv', 'w', newline='') as csv_file:
    csv_writer = csv.writer(csv_file)
    for email in email_list:
        csv_writer.writerow([email])