GET、POST请求

HTTP：超文本传输协议，设计的目的是保证客户端于服务端之间的通信。

HTTP的工作方式就是客户端与服务器之间的请求-应答协议。

两种最常见的请求方法就是GET、POST请求。

以下是对GET、POST请求的模拟：

GET：

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运用urllib2

import urllib2

req = urllib2.Request(url)

response = urllib2.urlopen(req)

the_page = response.read()

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运用requests

import requests

r = requests.get(url, params=params)

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POST:

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运用urllib, urllib2

import urllib, urllib2

url = "www.xxx.xxx"

values = {.....,

                  .....,

                  ....}

headers = {'xxxxxx':xxxxxx}

data = urllib.urlencode(values)

req = urllib2.Request(url,  data, headers)

reponse = urllib2.urlopen(req)

the_page = reponse.read()

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运用requests

import requests

data = {...............}

r = requests.post(url, data=data, headers=headers)

---