4.0.0 com.atguigu common 1.0-SNAPSHOT service-util jar service-util https://maven.apache.org UTF-8 com.atguigu common-util 1.0-SNAPSHOT org.springframework.boot spring-boot-starter-web com.baomidou mybatis-plus-boot-starter mysql mysql-connector-java com.baomidou mybatis-plus-generator 3.4.1 org.apache.velocity velocity-engine-core 2.0