python爬虫简单的添加代理进行访问

 1 import requests
 2 from lxml import etree
 3 url = "https://www.ip.cn"
 4 headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 OPR/57.0.3098.116", }
 5 pro = {
 6     # 'https': 'https://118.122.92.252:37901',        #四川省成都市 电信
 7     'https': 'https://27.17.45.90:43411',         #湖北省武汉市 电信
 8 }
 9 try:
10     response = requests.get(url, headers=headers, proxies=pro)
11     html_str = response.content.decode()
12     # print(html_str)
13     html = etree.HTML(html_str)
14     message = html.xpath("//div[@class='well']//p/text()")
15     ip = html.xpath("//div[@class='well']//p/code/text()")
16     eng = html.xpath("//div[@class='well']/p/text()")
17     print(message[0]+ip[0])
18     print(message[1]+ip[1])
19     print(eng[2])
20 except requests.exceptions.ProxyError as e:
21     print("当前代理异常")
22 except:
23     print("当前请求异常")