Python3 爬虫带上 cookie

#!/usr/bin/env python

# -*- coding: utf-8 -*-

"""

__author__ = 'pi'

__email__ = 'pipisorry@126.com'

"""

import urllib.request, urllib.parse, urllib.error

import http.cookiejar

LOGIN_URL = 'http://acm.hit.edu.cn/hoj/system/login'

values = {'user': '******', 'password': '******'} # , 'submit' : 'Login'

postdata = urllib.parse.urlencode(values).encode()

user_agent = r'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36'

headers = {'User-Agent': user_agent, 'Connection': 'keep-alive'}

cookie_filename = 'cookie.txt'

cookie = http.cookiejar.MozillaCookieJar(cookie_filename)

handler = urllib.request.HTTPCookieProcessor(cookie)

opener = urllib.request.build_opener(handler)

request = urllib.request.Request(LOGIN_URL, postdata, headers)

try:

  response = opener.open(request)

  page = response.read().decode()

  # print(page)

except urllib.error.URLError as e:

  print(e.code, ':', e.reason)

cookie.save(ignore_discard=True, ignore_expires=True) # 保存cookie到cookie.txt中

print(cookie)

for item in cookie:

  print('Name = ' + item.name)

  print('Value = ' + item.value)

get_url = 'http://acm.hit.edu.cn/hoj/problem/solution/?problem=1' # 利用cookie请求訪问还有一个网址

get_request = urllib.request.Request(get_url, headers=headers)

get_response = opener.open(get_request)

print(get_response.read().decode())

# print('You have not solved this problem' in get_response.read().decode())