http://www.ityouknow.com/spring-boot.html
springboot多数据源配置：
https://blog.csdn.net/neosmith/article/details/61202084
springboot速度构建：
https://www.bilibili.com/video/av22270828/
http://www.atguigu.com/download.shtml#springboot
https://www.bilibili.com/video/av14465341/?p=8
https://www.imooc.com/video/16717 （热部署，急速）
https://www.imooc.com/video/15676 （切面表达式）