selenium及Chromedriver

selenium及Chromedriver：https://www.cnblogs.com/lfri/p/10542797.html

定位元素的方法

https://www.cnblogs.com/hong-fithing/p/7623838.html

保留Chrome配置

https://jingyan.baidu.com/article/335530dae2dd3d19ca41c342.html

报错user data directory is already in use, please specify a unique value for --user-data-dir argument, or don’t use

可将user data复制一份，用复制的这一份