[Network security takes you to practice reptiles-100 exercises] Practice 16: Send requests using sessions

Table of contents

1. Goal 1: Use seesion to enter the request

2. Network Security

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1. Goal 1: Use seesion to enter the request

(1) Application:

Request and crawl the returned data packets by creating a session object

Scenario: A website that requires login to crawl

Role: the session object can remain logged in between multiple requests

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(2) Steps:

Step 1: Create a session object

Step 2: Simulate login and get session

Step 3: Carry cookies and use session to crawl

Step 4: Processing of data packets

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(3) Code part:

import requests

data = {}
headers1={}

#part1:
# 创建一个session对象
session = requests.Session()

#part2:
# 发送POST请求（登录,数据包我就不带了，简写一下）
response = session.post(login_url，json=data)


#part3:
#需要携带cookie
headers2={}

# 发送GET请求进行爬取
response = session.get('https://baidu.com')
# 设置响应的编码方式为UTF-8
response.encoding = 'utf-8'
# 获取返回的数据包

#part4:
data = response.text
print(data)
# 处理数据包
# ...

# 关闭session
session.close()

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2. Network Security

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