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import requests
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from lxml import etree
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from datetime import datetime
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import re
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from multiprocessing.pool import ThreadPool
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# 初始化常量和配置
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START_DATE = datetime.strptime('2023年2月18日', '%Y年%m月%d日')
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HEADERS = {
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"User-Agent":
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"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0"
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}
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SESSION = requests.Session()
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# 构建URL列表
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BASE_URL = 'https://ivdc.chinacdc.cn/cnic/zyzx/lgzb/index'
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url_list = [
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f'{BASE_URL}_{i}.htm' if i > 0 else f'{BASE_URL}.htm' for i in range(4)
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]
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def get_links(url):
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try:
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response = SESSION.get(url, headers=HEADERS)
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time.sleep(0.3)
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print(response.status_code)
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tree = etree.HTML(response.content.decode("utf-8"))
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links = tree.xpath('//li/span[1]/a/@href')
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print([
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"https://ivdc.chinacdc.cn/cnic/zyzx/lgzb" +
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url.replace('.', '').replace('htm', '.htm') for url in links
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])
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return [
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"https://ivdc.chinacdc.cn/cnic/zyzx/lgzb" +
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url.replace('.', '').replace('htm', '.htm') for url in links
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]
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except Exception as e:
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print(f"Error fetching links from {url}: {e}")
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return []
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def get_content(link):
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try:
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response = SESSION.get(link, headers=HEADERS)
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time.sleep(0.3)
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html = response.content.decode("utf-8")
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tree = etree.HTML(html)
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date_text = tree.xpath('//div[@class="content"]//p[1]/span/text()')[1]
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year = tree.xpath('//div[@class="content"]//p[1]/span/span/text()')[0]
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date = datetime.strptime(year + date_text.replace('）', ''),
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'%Y年%m月%d日')
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if date > START_DATE:
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number = re.search(r'(\d+)(?=起)', html)
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return [
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date.strftime('%Y-%m-%d'),
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number.group(0) if number else 0
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]
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except Exception as e:
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print(f"Error fetching content from {link}: {e}")
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return None
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def get_liuganzhoubao():
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links = []
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for url in url_list:
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links += get_links(url)
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print(links)
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with ThreadPool(10) as pool:
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data_list = pool.map(get_content, links)
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return [data for data in data_list if data]
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if __name__ == "__main__":
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data = get_liuganzhoubao()
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print(data)
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