requsets库学习笔记

版权声明： https://blog.csdn.net/t1anyuan/article/details/79534757

import requests
response = requests.get(‘http://www.baidu.com‘)

print(type(response))
print(response.status_code)
print(response.headers)
print(response.text)
print(response.cookies)

参数传递

data = {
    'name':'zty',
    'age':22
}
response = requests.get("http://httpbin.org/get",params=data)
print(response.text)

解析json

response = requests.get("http://httpbin.org/get")

print(type(response))
print(response.json())

获取二进制数据(下载图片)

response = requests.get('http://noops2ty.github.io/favicon.ico')

print(type(response.text))
print(response.content)
with open('a.ico','wb') as f:
    f.write(response.content)
    f.close()

添加headers

headers = {
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
}
response = requests.get('https://www.zhihu.com/explore', headers=headers)
print(response.text)

post请求

data = {
    'name':'zty',
    'age':22
}
headers = {
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
}
response = requests.post('http://httpbin.org/post',data=data,headers=headers)
print(response.text)

响应

response = requests.get('http://www.baidu.com')

print(type(response))
print(response.status_code,type(response.status_code))
print(response.headers)
print(response.text)
print(response.cookies)

文件上传

filefiles = {'file':open('a.ico','rb')}
response = requests.post('http://httpbin.org/post',files=files)
print(response.text)

获取cookie

response = requests.get('http://www.baidu.com')
print(response.cookies)
for i,j in response.cookies.items():
    print(i+'='+j)

证书验证

response = requests.get('https://www.12306.cn',verify=False)
from requests.packages import urllib3
urllib3.disable_warnings()
print(response.status_code)

超时设置

from requests.exceptions import ReadTimeout
try:
    response = requests.get('http://httpbin.org',timeout=1)
    print(response.status_code)
except ReadTimeout:
    print('TimeOut')

认证设置

from requests.auth import HTTPBasicAuth
r = requests.get('http://ip',auth=HTTPBasicAuth('user','pass'))

异常处理

from requests.exceptions import HTTPError, ConnectionError
try:
    r = requests.get('http://wwww.baomihua.com')
    print(r.status_code)
except ConnectionError:
    print('http error')