How to install requests library in python-Python Tutorial-php.cn

How to install requests library in python

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Release： 2019-06-25 14:08:37

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How to install requests library in python

requests is a simple and easy-to-use HTTP library implemented in python. It is much simpler to use than urllib

Because it is a third-party library, cmd installation is required before use

pip install requests

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After the installation is complete, import it. If it is normal, it means you can start using it.

Basic usage:

requests.get() is used to request the target website, the type is an HTTPresponse type

import requests

response = requests.get(&#39;http://www.baidu.com&#39;)
print(response.status_code)  # 打印状态码
print(response.url)          # 打印请求url
print(response.headers)      # 打印头信息
print(response.cookies)      # 打印cookie信息print(response.text)  #以文本形式打印网页源码
print(response.content) #以字节流形式打印

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Running results:

Status code: 200

Various request methods:

import requests

requests.get(&#39;http://httpbin.org/get&#39;)
requests.post(&#39;http://httpbin.org/post&#39;)
requests.put(&#39;http://httpbin.org/put&#39;)
requests.delete(&#39;http://httpbin.org/delete&#39;)
requests.head(&#39;http://httpbin.org/get&#39;)
requests.options(&#39;http://httpbin.org/get&#39;)

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Basic get request

import requests

response = requests.get(&#39;http://httpbin.org/get&#39;)print(response.text)

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GET request with parameters:

The first method is to directly The parameters are placed in the url

import requests

response = requests.get(http://httpbin.org/get?name=gemey&age=22)print(response.text)

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Parsing json

import requests

response = requests.get(&#39;http://httpbin.org/get&#39;)
print(response.text)
print(response.json())  #response.json()方法同json.loads(response.text)
print(type(response.json()))

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