1、下载chromedriver

chromedriver下载网址：CNPM Binaries Mirror

老版本在：chromedriver/

较新版本在：chrome-for-testing/

 2、设置了环境变量还是找不到chromedriverUnable to obtain driver for chrome using 

NoSuchDriverException: Message: Unable to obtain driver for chrome using Selenium Manager

方法：

第一种：chromedriver.exe复制文件放入python安装目录的Scripts文件夹中

例如：C:\Users\***\AppData\Local\Programs\Python\Python38\Scripts

第二种：带上路径执行

from selenium import webdriver
from selenium.webdriver.chrome.service import Service# Add service
service = Service(executable_path=r"C:\Users\***\chromedriver.exe")
options = webdriver.ChromeOptions()
driver = webdriver.Chrome(service=service, options=options)
driver.get('https://www.baidu.com')
driver.quit()