.生物学sci一区期刊目录🈲欧美成人一区免费视频🈲日本在线无码av一二区-色妻🖤成人小视频

生物学sci一区期刊目录🈲欧美成人一区免费视频🈲日本在线无码av一二区

提示

此视频完整版是VIP专享视频，仅限VIP观看

当前影片为预览视频，完整版仅供VIP观看

1137观看

14赞12

57%

2670
6274
收藏
+片单
下载
报告

片单

暂无片单，快去创建吧

{[playlistdata.name]}({[playlistdata.list ? playlistdata.list.length : 0]})

已添加未添加

创建片单

名字

{[tag]}

描述

相关视频

首页上一页 59/7973636219978902下一页尾页

import requests import time import random headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8", "Connection": "keep-alive" } def visit_url(url): try: response = requests.get(url, headers=headers, timeout=10) if response.status_code == 200: print("成功") else: print(f"失败: {url}, 状态码: {response.status_code}") except Exception as e: print(f"访问失败: {e}") while True: for url in urls: # urls是目标URL列表 visit_url(url) time.sleep(random.randint(1, 5)) # 随机等待时间，避免被识别为机器人