python模拟登录v2ex，python模拟v2ex,# coding=utf

python模拟登录v2ex，python模拟v2ex,# coding=utf

# coding=utf-8  import requests  from bs4 import BeautifulSoup as bs  s = requests.Session()  headers = {      'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64)\     AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36',      'Origin': 'http://www.v2ex.com',      'Referer': 'http://www.v2ex.com/signin',      'Host': 'www.v2ex.com',  }  r = s.get('http://www.v2ex.com/signin', headers=headers) soup = bs(r.content)  once = soup.find('input', {'name': 'once'})['value']   login_data = {'u': 'sijianwudi', 'p': '111111', 'once': once, 'next': '/'}  s.post('http://www.v2ex.com/signin', login_data, headers=headers)  f = s.get('http://www.v2ex.com/settings', headers=headers)  soup = bs(f.content) print soup.find('input', {'type':'email'})['value']