The Spring Cloud framework adopts a layered architecture, and the modules include: infrastructure (providing distributed system infrastructure), service management (managing microservice life cycle), application development (simplifying microservice development) and tools (for monitoring , testing and deploying distributed systems). Practical cases include building microservice applications (using @SpringBootApplication), service discovery (using @EnableDiscoveryClient), and configuration management (using Spring Cloud Config Server). The advantage of the Spring Cloud framework is to quickly develop distributed systems, provide out-of-the-box modules, follow the Spring Boot development experience, and provide rich tools and support.
Spring Cloud is a framework built on Spring Boot for rapid development and distribution formula system. It provides a set of preconfigured modules that simplify the development of Spring Boot applications, making it easy to build microservices, distributed systems, RESTful web services, and more.
Spring Cloud adopts a layered architecture to divide functions into different modules. Each module is responsible for concerns in a specific field:
Building a microservice application
@SpringBootApplication public class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); } }
Service discovery (Eureka)
@EnableDiscoveryClient class Service { @Autowired private DiscoveryClient discoveryClient; @GetMapping("/services") public List<String> services() { return discoveryClient.getServices(); } }
Configuration Management (Config Server)
# application.yml spring: cloud: config: server: git: uri: https://github.com/example/config-repo.git
Using the Spring Cloud framework has the following advantages:
By combining Spring Cloud with Spring Boot, developers can quickly build scalable, reliable, and easy-to-maintain distributed systems.
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