springboot控制bean的创建顺序

org.springframework.core.annotation.Order

org.springframework.context.annotation.DependsOn

public class MyBeanDefinitionRegistryPostProcessor implements BeanDefinitionRegistryPostProcessor {
    @Override
    public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
        AbstractBeanDefinition beanDefinition = BeanDefinitionBuilder.genericBeanDefinition().getBeanDefinition();
        beanDefinition.setBeanClass(UserService.class);
        registry.registerBeanDefinition("userService", beanDefinition);
    }
}

public class MyApplicationContextInitializer implements ApplicationContextInitializer {

    @Override
    public void initialize(ConfigurableApplicationContext applicationContext) {
        applicationContext.addBeanFactoryPostProcessor(new MyBeanDefinitionRegistryPostProcessor());
    }
}

org.springframework.context.ApplicationContextInitializer=com.example.springbootshutdown.MyApplicationContextInitializer
org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor