汽车行业也开始搞降价大促销活动了

/#! -*- encoding:utf-8 -*-
import requests
import random
import requests.adapters
import threading # 导入threading模块

# 要访问的目标页面
targetUrlList = [
    "https://https://www.autohome.com.cn/",
    "https://httpbin.org/headers",
    "https://httpbin.org/user-agent",
]
proxyHost = "t.16yun.cn"
proxyPort = "31111"

# 代理验证信息
proxyUser = "16DUXINQ"
proxyPass = "235487"
proxyMeta = f"http://{proxyUser}:{proxyPass}@{proxyHost}:{proxyPort}"

# 设置 http和https访问都是用HTTP代理
proxies = {
    "http": proxyMeta,
    "https": proxyMeta,
}

# 设置IP切换头
tunnel = random.randint(1, 10000)
headers = {"Proxy-Tunnel": str(tunnel)}

class HTTPAdapter(requests.adapters.HTTPAdapter):
    def proxy_headers(self, proxy):
        headers = super(HTTPAdapter, self).proxy_headers(proxy)
        if hasattr(self, 'tunnel'):
            headers['Proxy-Tunnel'] = self.tunnel
        return headers

# 定义一个函数，用于访问一个目标网址
def visit_url(url, i, j):
    with requests.session() as s: # 使用with语句管理会话
        a = HTTPAdapter()
        # 设置IP切换头
        a.tunnel = tunnel
        s.mount('https://', a)
        r = s.get(url, proxies=proxies)
        print(f"第{i+1}次访问，第{j+1}个网址，结果如下：") # 使用f-string格式化输出
        print(r.text)

# 访问三次网站，使用相同的tunnel标志，均能够保持相同的外网IP
for i in range(3):
    # 创建一个空的线程列表
    threads = []
    for j, url in enumerate(targetUrlList): # 使用enumerate函数遍历列表
        # 创建一个线程，传入目标网址，当前次数和索引
        t = threading.Thread(target=visit_url, args=(url, i, j))
        # 将线程添加到线程列表
        threads.append(t)
        # 启动线程
        t.start()
    # 等待所有线程结束
    for t in threads:
        t.join()容