import requestsfrom lxml import etree# 使用代理proxy = {'http': '219.149.59.250:9797'}# 创建一个会话s = requests.Session()# 定制头信息headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36',}url = '/member.php?mod=logging&action=login&logsubmit=yes'# 发送get请求r = s.get(url=url, headers=headers, proxies=proxy)# 查找formhash值的xpathformhash_xpath = '//div[@class="form"]//input[@name="formhash"]/@value'# 创建xpath tree对象html_tree = etree.HTML(r.text)# 查找得到formhash值formhash = html_tree.xpath(formhash_xpath)# print(formhash)# 发送post请求进行登录post_url = '/member.php?mod=logging&action=login&loginsubmit=yes&loginhash=LFpXy'# 抓包分析得到的参数data = {'formhash': formhash,'referer': '/','username': '17312345678', # 账号'password': '123456', # 密码'loginsubmit': 'true','return_type': ''}headers_post = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8','Accept-Language': 'zh-CN,zh;q=0.9','Connection': 'keep-alive','Content-Type': 'application/x-www-form-urlencoded','Host': '','Origin': '','Referer': '/member.php?mod=logging&action=login&logsubmit=yes','User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36',}r = s.post(url=post_url, data=data, headers=headers_post, proxies=proxy)r.encoding = 'gbk'with open('chinaunix.html', 'w') as fp:fp.write(r.text)
注意：代码是否执行成功具有时效性
