MyRegistry.java

package com.bruis.learnsb.bean;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.stereotype.Component;

/**
 * @author LuoHaiYang
 */
@Component
public class MyRegistry implements BeanDefinitionRegistryPostProcessor {

    @Override
    public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
        RootBeanDefinition rootBeanDefinition = new RootBeanDefinition();
        // 设置bean的class类型
        rootBeanDefinition.setBeanClass(MyRegistryBean.class);
        // 注册bean
        registry.registerBeanDefinition("myRegistryBean", rootBeanDefinition);
    }

    @Override
    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {

    }
}