request模拟知乎登录实例代码

import request

try:

import cookielib#python2版本

except:

import http.cookiejar as cookielib#python3版本

import re

import 

session=request.session()

session.cookies=cookielib.LWPCookieJar(filename="cookies.txt")#将cookies存储到本地文件

#加载cookies文件

try:

session.cookies.load(ignore_discard=True)

except:

print("cookies未能加载")

User_Agent="Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36"

header={

"HOST":"www.zhihu.com",

"Referer":"https://www.zhihu.com",

"User_Agent":User_Agen"

}

#获取xsrf

def get_xsrf():

response=session.post("https://www.zhihu.com",headers=header)#请求网页需带上头文件

match_obj=re.match(' .*name="_xsrf"  value="(.*？)" ')#注意使用单双引号

if match_obj:

return (match_obj(1))

else:

return " "

def get_index():

response=session.get("https://www.zhihu.com",headers=header)

with open("index_page.heml",wb) as f:

f,write(response.text.encode("utf-8"))

print ("ok")

#模拟知乎登录

def zhihu_login(account,password):

if re.match("^1d{10}",account)：#验证账号是否为手机号

print ("手机登录")

post_url="https://www.zhihu.com/login/phone_num"

post_data={

"_xsrf":get_xsrf(),

"phone_num":account,

"password":password

}

else:

if "@" in account:

print （“邮箱登录”）

post_url="https://www.zhihu.com/login/email"

post_data={

"_xsrf":get_xsrf(),

"email":account,

"password":password

}

response_text=session.post(post_url,post_data,headers=header)

session.cookies.save()

#验证是否登录成功

def is_login():

inbox_url="https://www.zhihu.com/inbox"

response=session.get(inbox_url,headers=header,allow_redirects=False)

if response.status_code !=200:

return False

else:

return True

zhihu.login("18782902568","admin123")

get_index()