JAVA注解 : https://www.awaimai.com/2591.html
HashMap : https://blog.csdn.net/qq_40574571/article/details/97612100
JAVA中final关键字的作用:https://www.cnblogs.com/chhyan-dream/p/10685878.html
jQuery EasyUI文档:https://www.jeasyui.net/plugins/
vue?