easyui-combotree

https://www.cnblogs.com/maocs/p/4595559.html

https://www.cnblogs.com/yitouniu/p/8028888.html

http://www.jeasyui.net/plugins/170.html

https://www.cnblogs.com/budai/p/7810107.html

https://www.cnblogs.com/refuge/p/11163900.html

https://www.layui.com/doc/modules/upload.html#choose