安装selenium

切到对应的环境下：

pip3 install selenium

安装 ChromeDriver

先查看自己的chrome浏览器的版本

跳转到官方链接https://chromedriver.chromium.org/downloads

找到第一步里的版本号，下载解压即可，以我的为例，下载到Downloads，可以直接

sudo mv ~/Downloads/chromedriver /usr/bin

有时会报错Read-only file system，请参考https://www.jianshu.com/p/a7e7bbcb913d文中的方法。

验证方法

~ chromedriver Starting ChromeDriver 85.0.4183.83 (94abc2237ae0c9a4cb5f035431c8adfb94324633-refs/branch-heads/4183@{#1658}) on port 9515 Only local connections are allowed. Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe. ChromeDriver was started successfully.