1、vue+element ui 实现菜单无限极分类
https://www.jianshu.com/p/35dd41d8173d
2、vue+element ui 菜单导航折叠后文字不隐藏
https://blog.csdn.net/pangji0417/article/details/93353327
3、element ui formatter 之表格字段为数组格式处理
https://blog.csdn.net/hailangtuteng/article/details/82346711