druid教程

1. https://www.cnblogs.com/broadview/p/6423673.html (快速了解Druid——实时大数据分析软件)
2. https://www.cnblogs.com/niejunlei/p/5977895.html (Druid 介绍及配置)
3. 0赞 https://www.jianshu.com/p/da3f4eee33ae (Spring boot+Mybatis+druid 实战)
4. 14赞 https://www.jianshu.com/p/d365ddce6b73 (Druid简介（Spring Boot + Mybatis + Druid数据源【官方start】）)