python爬虫实现豆瓣模拟登录

import requests  
url = 'https://www.douban.com/accounts/login'  
params = {  
    'source':'index_nav',  
    'form_email':'xxx',#帐号  
    'form_password':'xxx'#密码  
}  
html = requests.post(url,params)  
print(html.text)