4.0.0 org.springframework.boot spring-boot-starter-parent 2.7.18 com.example demo 1.0.0 demo 简单 Spring Boot 项目 1.8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-starter-validation org.springframework.boot spring-boot-starter-data-jpa mysql mysql-connector-java 8.0.33 runtime org.springdoc springdoc-openapi-ui 1.6.14 org.springframework.boot spring-boot-maven-plugin