批量查询网站是否正常

import requests
from concurrent.futures import ThreadPoolExecutor

def check_website(url):
    try:
        response = requests.get(url, timeout=5)
        return url, response.status_code
    except Exception as e:
        return url, str(e)

def batch_check_websites(urls, max_workers=10):
    results = []
    with ThreadPoolExecutor(max_workers=max_workers) as executor:
        future_to_url = {executor.submit(check_website, url): url for url in urls}
        for future in concurrent.futures.as_completed(future_to_url):
            url = future_to_url[future]
            try:
                data = future.result()
            except Exception as exc:
                data = (url, 'Exception occurred: ' + str(exc))
            results.append(data)
    return results

# 示例使用
urls_to_check = ['https://www.example.com', 'https://www.google.com', 'https://www.invalid-url-example.com']
results = batch_check_websites(urls_to_check)
for url, status in results:
    print(f'{url}: {status}')