潜在客户开发 — 大规模

import requests
from bs4 import BeautifulSoup

# Configure rotating proxy
proxy = {
    'http': 'http://user:pass@gate.proxyhat.com:7777',
    'https': 'http://user:pass@gate.proxyhat.com:7777'
}

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)...'
}

def extract_contacts(company_url):
    # Fetch company contact page
    response = requests.get(
        f'{company_url}/contact',
        proxies=proxy,
        headers=headers,
        timeout=30
    )
    soup = BeautifulSoup(response.text, 'html.parser')

    # Extract email addresses
    import re
    emails = re.findall(
        r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}',
        response.text
    )
    return list(set(emails))

# Each request gets a fresh IP
contacts = extract_contacts('https://example-company.com')