将预构造的Bean添加到Spring应用程序

   <groupId>org.springframework</groupId>
   <artifactId>spring-context</artifactId>
   <version>5.3.10</version>
</dependency>

@Configuration
public class MyConfiguration {

    @Bean
    public MyBean myBean() {
        return new MyBean();
    }
}

@SpringBootApplication
@ComponentScan({"com.example.myapp", "com.example.myconfiguration"})
public class MyApp {

    public static void main(String[] args) {
        SpringApplication.run(MyApp.class, args);
    }
}

@Service
public class MyService {

    @Autowired
    private MyBean myBean;

    public void doSomething() {
        myBean.doSomething();
    }
}