SpringBoot项目中的多数据源支持

SpringBoot项目中

https://blog.csdn.net/haiyan_qi/article/details/78293300

http://412887952-qq-com.iteye.com/blog/2303075

mysql主从原理

https://baijiahao.baidu.com/s?id=1595054968136602474&wfr=spider&for=pc

主从配置和主主配置

https://www.cnblogs.com/phpstudy2015-6/p/6485819.html