4.0.0 com.imooc imooc-red-book-dev 1.0-SNAPSHOT book-model 8 8 UTF-8 com.imooc book-common 1.0-SNAPSHOT org.springframework.boot spring-boot-starter-validation mysql mysql-connector-java 8.0.26 org.mybatis.spring.boot mybatis-spring-boot-starter tk.mybatis mapper-spring-boot-starter com.github.pagehelper pagehelper-spring-boot-starter org.springframework.boot spring-boot-starter-data-mongodb