import urllib.request
# cd C:\Python36-32\Scripts
# pip install BeautifulSoup
from bs4 import BeautifulSoup


def vote(get_url, post_url, option):
  # 訪問投票頁面，拿到cookie
  resp = urllib.request.urlopen(get_url)
  cookie = resp.getheader('Set-Cookie')
  # print(cookie)

  # 讀取response信息
  html = resp.read()
  # HTML解析器，拿到vote_option
  bs = BeautifulSoup(html, "html.parser")
  # 后臺校驗的動態(tài)驗證碼，隨自己業(yè)務調(diào)整
  secret_key = bs.find('input', id='secret_key').get("value")
  # print(vote_option)

  # hearders部分，cookie等
  headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Firefox/52.0',
        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
        'Cookie': cookie}

  # post提交的數(shù)據(jù)，第一個為選中的復選框選項（多個中間逗號分隔），第二個為動態(tài)碼（后臺校驗）
  data_json = {'option': option, 'secret_key': secret_key}
  # string轉為byte類型，因為客戶端校驗要求
  data = urllib.parse.urlencode(data_json).encode("utf-8")
  # post請求，提交投票數(shù)據(jù)
  req = urllib.request.Request(post_url, headers=headers, data=data)
  response = urllib.request.urlopen(req)
  # 查看返回結果，轉碼為中文
  print(bytes.decode(response.read()))
def deal():
  # get連接、post鏈接、選項 根據(jù)自己業(yè)務修改
  get_url = ""
  post_url = ""
  option = ""
  vote(get_url, post_url, option)
deal()