Request库基本使用

基本实例

import  requests

url= 'https://www.baidu.com/'
response = requests.get(url)
print(type(response))
print(response.status_code)#状态码
print(type(response.text))
print(response.text)#打开网页源代码
print(response.cookies)#获取cookies

各种请求方式

import  requests

url= 'https://www.baidu.com/'
requests.get(url)
requests.put(url)
requests.delete(url)
requests.head(url)
requests.options(url)

带参数的GET请求

import  requests

data={
    
}
reponse = requests.get(url,params=data)

解析JSON

import  requests
import json

reponse = requests.get(url)
print(requests.json())
print(json.loads(reponse.text))

获取二进制数据和保存

import  requests
import json

reponse = requests.get(url)
print(reponse.text)
print(reponse.content)

import  requests
import json

reponse = requests.get(url)
with open(' ',' ') as f:
    f.write(reponse.content)
    f.close()

添加headers

import  requests
import json

headers = {
    
}
response = requests.get(url,headers=headers)

基本POST请求

mport requests
import json

data = {

}
headers={
    
}
response = requests.post(url,data=data,headers=headers)

Reponse属性

import  requests

url= 'https://www.baidu.com/'
response = requests.get(url)
print(type(response))
print(response.status_code)#状态码
print(type(response.text))
print(response.text)#打开网页源代码
print(response.cookies)#获取cookies
print(response.history)
print(response.url)

文件上传

import  requests

files = {'file':open('','rb')}
reponse = requests.post(url,files=files)

维持会话

import  requests

s = requests.session()
s.get(url_1)
response = s.get(url_2)

证书认证

import  requests
from requests.packages import urllib3
urllib3.disable_warnings()#消除警告
response = requests.get(url,verify=False)

代理

import  requests
proxies = {
    "http":
    "https":
}
requests.get(url,proxies=proxies)

 pip3 install 'requests[socks]' 使用socks代理

import  requests
from  requests.exceptions import ReadTimeout

try:
    response = requests.get(url,timeout= )
except ReadTimeout:
    print("time out")

认证设置

import  requests
from  requests.auth import HTTPBasicAuth

response = requests.get(url,auth=HTTPBasicAuth('',''))

import  requests
response = requests.get(url,auth=('',''))

异常处理