http://tech.dianwoda.com/2019/06/05/gui-ze-yin-qing-easy-rulejie-shao/
https://www.cnblogs.com/rjzheng/p/10996186.html
http://www.drools.org.cn/download
规则引擎
原文：https://www.cnblogs.com/java-le/p/12205735.html
