Python爬虫Selenium安装

安装Selenium

pip install selenium

Chromedriver

https://sites.google.com/a/chromium.org/chromedriver/downloads
进入页面，找到最后发布版本

转到：
https://chromedriver.storage.googleapis.com/index.html?path=2.33/

找到适合自己的系统版本

下载解压到 python 环境的Scripts文件夹里面
在命令行中输入 chromedriver 打印出提示信息表示安装完成

Starting ChromeDriver 2.33.506120 (e3e53437346286c0bc2d2dc9aa4915ba81d9023f) on port 9515
Only local connections are allowed.

如果出现以下情况：

要么更新chrome，要么重新降低chromedriver的版本

>>> from selenium import webdriver
>>> driver = webdriver.Chrome()
Traceback (most recent call last):
  File "", line 1, in 
  File "D:\Anaconda3\lib\site-packages\selenium\webdriver\chrome\webdriver.py", line 69, in __init__
    desired_capabilities=desired_capabilities)
  File "D:\Anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 151, in __init__
    self.start_session(desired_capabilities, browser_profile)
  File "D:\Anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 240, in start_session
    response = self.execute(Command.NEW_SESSION, parameters)
  File "D:\Anaconda3\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 308, in execute
    self.error_handler.check_response(response)
  File "D:\Anaconda3\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: session not created exception: Chrome version must be >= 60.0.3112.0    # 版本必须大于60.x
  (Driver info: chromedriver=2.33.506120 (e3e53437346286c0bc2d2dc9aa4915ba81d9023f),platform=Windows NT 10.0.14393 x86_64)