爬虫笔记速查

re.findall("txt(.*?)txt", r.text, re.DOTALL)

ocr = ddddocr.DdddOcr()
code = ocr.classification(r.content)

pip3 install 'httpx[http2]'

import httpx
client = httpx.Client(http2=True)
r = client.get(url, headers=headers, cookies=cookies)
print(r.text)

# 先实例化一个对象
session = requests.session()

# 后面用法和直接使用requests一样了
response = session.get(url)  # get请求
response = session.post(url, json=json_data)  # post请求
result = response.json()

requests.get(url, verify=False)  # 不验证证书

import warnings
warnings.filterwarnings("ignore") # 关闭警告

from requests.auth import HTTPBasicAuth
requests.get(url, auth=HTTPBasicAuth("user", "password"))

requests.get(url, allow_redirects=False)