jar com.fdkankan 4dkankan-utils 2.0.0-SNAPSHOT 4.0.0 4dkankan-utils-db mysql mysql-connector-java 8.0.25 runtime com.baomidou mybatis-plus-boot-starter compile 3.4.3.4 com.baomidou mybatis-plus-generator compile 3.5.1 org.apache.velocity velocity-engine-core 2.3 com.alibaba druid 1.2.6