install selenium
pycharm-->File-->Settings-->Python Interpreter-->As shown below, install the selenium package:
After the installation is successful, it will be displayed in the list:
Install browser driver
Download address of each browser driver
1. GeckoDriver (Firefox): https://github.com/mozilla/geckodriver/releases
2. ChromeDriver (Chrome) : https://sites.google.com/a/chromium.org/chromedriver /home or https://chromedriver.storage.googleapis.com/index.html
3. IEDriverServer (IE): http://selenium-release.storage.googleapis.com/index.html
4. OperaDriver (Opera): https ://github.com/operasoftware/operachromiumdriver/releases
5. Microsoft Web Driver (Edge): https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver
Set browser driver:
Manually create a directory to store browser drivers, such as D:\drivers
Put the downloaded driver file in this directory;
右击此电脑，在右键菜单中点击“属性--高级系统设置--高级--环境变量--系统变量--Path”
将“D:\drivers”添加到Path中
3、验证
from selenium import webdriver
driver = webdriver.Chrome()
driver.get("http://www.baidu.com")运行该程序，会打开chrome并跳转百度页面。