Urllib是Python內建的HTTP請求庫
urllib.request 請求模組
urllib.error 異常處理模組
urllib.parse url解析模組
urllib.robotparser rebots.txt解析模組
用法：

>>> import urllib.request
>>> response=urllib.request.urlopen('http://www.baidu.com')
>>> print(response.read().decode('utf-8'
 
))

import urllib.request

response=urllib.request.urlopen('https://www.python.org')
print(type(response))

響應

響應型別
開啟cmd——>jupyter notebook

import urllib.request

response=urllib.request.urlopen('https://www.python.org')
print(type(response))

輸出為 <class 'http.client.HTTPResponse'>

狀態碼，響應頭

import urllib.request

response=urllib.request.urlopen('https://www.python.org')
print(response.status)
print(response.getheaders())
print(response.getheader('Server'))

輸出為

200
[(‘Server’, ‘nginx’), (‘Content-Type’, ‘text/html; charset=utf-8’), (‘X-Frame-Options’, ‘SAMEORIGIN’), (‘x-xss-protection’, ‘1; mode=block’), (‘X-Clacks-Overhead’, ‘GNU Terry Pratchett’), (‘Via’, ‘1.1 varnish’), (‘Content-Length’, ‘48806’), (‘Accept-Ranges’, ‘bytes’), (‘Date’, ‘Sun, 08 Jul 2018 06:45:33 GMT’), (‘Via’, ‘1.1 varnish’), (‘Age’, ‘2310’), (‘Connection’, ‘close’), (‘X-Served-By’, ‘cache-iad2127-IAD, cache-lax8643-LAX’), (‘X-Cache’, ‘HIT, HIT’), (‘X-Cache-Hits’, ‘3, 362’), (‘X-Timer’, ‘S1531032333.310203,VS0,VE0’), (‘Vary’, ‘Cookie’), (‘Strict-Transport-Security’, ‘max-age=63072000; includeSubDomains’)]
nginx

import urllib.request

request=urllib.request.Request('https://python.org')
response =urllib.request.urlopen(request)
print(response.read().decode('utf-8'))