4.0.0 com.hosea.cloud.user service-user ${revision} service-user-infrastructure Infrastructure ${version} Infrastructure层，基础设施，对接数据库、缓存等等各种东西 实现领域层的资源接口，操作具体的资源 com.hosea.cloud.user service-user-app org.xerial sqlite-jdbc mysql mysql-connector-java com.hosea.cloud cloud-mybatis-plus