org.springframework.boot spring-boot-starter-parent 3.1.0 4.0.0 com.sample.demo sample-demo spring authorization server 基于maven构建的官方原始demo 1.0-SNAPSHOT pom demo-authorizationserver messages-resource demo-client 17 17 3.1.0 1.1.1 org.springframework.security spring-security-oauth2-authorization-server ${spring-security-oauth2.version}