import urllib
import ssl
#https = http+ssl(安全套接层)
# 手动的增加授信
# Create a SSLContext object
context = ssl._create_unverified_context()
url = "https://www.12306.cn/mormhweb/"
ua_headers = {"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36"}
# HTTP Request
req = urllib.request.Request(url,
headers=ua_headers)
# HTTP Response
response = urllib.request.urlopen(req,
context=context)
with open("12306.html", "wb") as f:
f.write(response.read())
#CertificateError: