常用类库安装

验证urllib库是否安装

C:\Users\wangwei>python

Python 3.7.1 (default, Dec 10 2018, 22:54:23) [MSC v.1915 64 bit (AMD64)] :: Anaconda, Inc. on win32

Type "help", "copyright", "credits" or "license" for more information.

>>> import urllib

>>> import urllib.request

>>> urllib.request.urlopen('http://www.baidu.com')

<http.client.HTTPResponse object at 0x000001D702358048>

>>> import re

安装requests

C:\Users\wangwei>pip.exe install requests

C:\Users\wangwei>python

Python 3.7.1 (default, Dec 10 2018, 22:54:23) [MSC v.1915 64 bit (AMD64)] :: Anaconda, Inc. on win32

Type "help", "copyright", "credits" or "license" for more information.

>>> import requests

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

<Response [200]>

安装selenium

C:\Users\wangwei>pip.exe install selenium

安装chromedriver

ChromeDriver Mirror

安装FireFox WebDrive

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