Python爬虫学习纪要（九）：Requests 库学习笔记4

最新推荐文章于 2024-02-24 15:28:08 发布

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最新推荐文章于 2024-02-24 15:28:08 发布 · 549 阅读

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#爬虫 #Request库

4、高级操作
4.1、文件上传

import requests

file = {'file':open('favicon.txt', 'rb')}
respone = equests.post('http://httpbin.org/post',files=files)
print(response.text)

4.2、获取cookies

import requests

r = requests.get('https://www.baidu.com')
print(r.cookies)
for key, value in r.cookies.items():
print(key, '=====', value)
-----------------------------------
<RequestsCookieJar[<Cookie BDORZ=27315 for .baidu.com/>]>
BDORZ ===== 27315
-----------------------------------

4.3、会话维持
4.3.1、普通请求

import requests

r = requests.get('http://httpbin.org/cookies/set/number/12456')
print(r.text)
print('=================')
r1 = requests.get('http://httpbin.org/cookies')
#本质上是两次不同的请求，session不一致
print(r1.text)
----------------------------
{
"cookies": {
"number": "12456"
}
}