jstree

1.jstree中文github文档：

https://blog.csdn.net/qq_24472595/article/details/70053863

2.html实时显示：

https://jsfiddle.net/

 3.vue 2.0 :key的作用

https://segmentfault.com/q/1010000009383694/a-1020000009408585