'''
Created on 2017年5月16日
@vsersion:python3.6
@author: liuyuqi
'''
##登录
# -*- coding:utf-8 -*-
import requests

s = requests.Session()
url1 = 'http://www.exanple.com/login'  # 登陆地址
url2 = "http://www.example.com/main"  # 需要登陆才能访问的页面地址
data = {"user": "user", "password": "pass"}
headers = {"Accept": "text/html,application/xhtml+xml,application/xml;",
           "Accept-Encoding": "gzip",
           "Accept-Language": "zh-CN,zh;q=0.8",
           "Referer": "http://www.example.com/",
           "User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36"
           }
res1 = s.post(url1, data=data)  # 登录

res2 = s.post(url2)  # 抓取
res3 = requests.get(url2, cookies=res1.cookies, headers=headers)

print(res2.content)  # 获得二进制响应内容
print(res2.raw)  # 获得原始响应内容,需要stream=True
print(res2.raw.read(50))
print(type(res2.text))  # 返回解码成unicode的内容
print(res2.url)
print(res2.history)  # 追踪重定向
print(res2.cookies)
print(res2.cookies['example_cookie_name'])
print(res2.headers)
print(res2.headers['Content-Type'])
print(res2.headers.get('content-type'))
print(res2.json)  # 讲返回内容编码为json
print(res2.encoding)  # 返回内容编码
print(res2.status_code)  # 返回http状态码
print(res2.raise_for_status())  # 返回错误状态码