requests 库的使用

请求

• post(‘url’)

• put(‘url’)

• delete(‘url’)

• head(‘url’)

• options(‘url’)

• get(‘url’)

GET 请求

import requests
from urllib.parse import urlencode
data={
    'name':'hha',
    'age':'a'
}
r=requests.get('http://httpbin.org/get',params=data)
print(r.text)
js=r.json()
print(js["headers"]["User-Agent"])
r.text)

下载图片

import requests
r=requests.get('https://s2.loli.net/2022/08/08/XPao6Bwfkjc2drg.jpg')
with open('pic.jpg','wb') as f:
    f.write(r.content)

POST 请求

import requests
data={
    "1":"1"
}
r=requests.post('http://httpbin.org/post',data=data)
print(r.text)

文件上传

import requests
files={
    'files':open('pic.jpg','rb')
}
r=requests.post('http://httpbin.org/post',files=files)
print(r.text)

会话维持

import requests
s=requests.session()
s.get('http://httpbin.org/cookies/set/number/12345')
r=s.get('http://httpbin.org/cookies')
print(r.text)