4.0.0 org.springframework.boot spring-boot-starter-parent 3.0.7 com.sf demo-12306 0.0.1-SNAPSHOT 12306-demo 12306-demo my-spring-boot-starter my-ticket-service my-user-service pom 17 2022.0.3 2022.0.0.0-RC2 org.springframework.cloud spring-cloud-dependencies ${spring.cloud.version} pom import com.alibaba.cloud spring-cloud-alibaba-dependencies ${spring.cloud.alibaba.version} pom import