springboot中的@Import注解

@Configuration
@Import(ImportDemo.class)
public class ImportConfig {


}

public class ImportDemo {
    public void doSomething () {
        System.out.println("ImportDemo.doSomething()");
    }
}

public class TestMain {

    public static void main(String[] args) {
        AnnotationConfigApplicationContext context =
                new AnnotationConfigApplicationContext("com.springboot.importtest");
        ImportDemo importDemo = context.getBean(ImportDemo.class);
        importDemo.doSomething();
    }

}