此代码在jdk11上测试通过，SpringBoot版本为2.7.14

直接上代码

将下面三段代码导入编译器运行

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;@Component
public class LifeCycleBean {private static final Logger log = LoggerFactory.getLogger(LifeCycleBean.class);/*** 构造方法*/public LifeCycleBean() {log.debug("构造");}/*** 注入方法* @param home*/@Autowiredpublic void autowire(@Value("${JAVA_HOME}") String home) {log.debug("依赖注入: {}", home);}/*** 初始化方法*/@PostConstructpublic void init() {log.debug("初始化");}/*** 销毁方法*/@PreDestroypublic void destroy() {log.debug("销毁");}
}

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.PropertyValues;
import org.springframework.beans.factory.config.DestructionAwareBeanPostProcessor;
import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessor;
import org.springframework.stereotype.Component;@Component
public class MyBeanPostProcessor implements InstantiationAwareBeanPostProcessor, DestructionAwareBeanPostProcessor {private static final Logger log = LoggerFactory.getLogger(MyBeanPostProcessor.class);@Overridepublic void postProcessBeforeDestruction(Object bean, String beanName) throws BeansException {if (beanName.equals("lifeCycleBean"))log.debug("<<<<<< 销毁之前执行, 如 @PreDestroy");}@Overridepublic Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) throws BeansException {if (beanName.equals("lifeCycleBean"))log.debug("<<<<<< 实例化之前执行, 这里返回的对象会替换掉原本的 bean");return null;}@Overridepublic boolean postProcessAfterInstantiation(Object bean, String beanName) throws BeansException {if (beanName.equals("lifeCycleBean")) {log.debug("<<<<<< 实例化之后执行, 这里如果返回 false 会跳过依赖注入阶段");}return true;}@Overridepublic PropertyValues postProcessProperties(PropertyValues pvs, Object bean, String beanName) throws BeansException {if (beanName.equals("lifeCycleBean"))log.debug("<<<<<< 依赖注入阶段执行, 如 @Autowired、@Value、@Resource");return pvs;}@Overridepublic Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {if (beanName.equals("lifeCycleBean"))log.debug("<<<<<< 初始化之前执行, 这里返回的对象会替换掉原本的 bean, 如 @PostConstruct、@ConfigurationProperties");return bean;}@Overridepublic Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {if (beanName.equals("lifeCycleBean"))log.debug("<<<<<< 初始化之后执行, 这里返回的对象会替换掉原本的 bean, 如代理增强");return bean;}
}

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;@SpringBootApplication
public class Dome03Application {public static void main(String[] args) throws Exception {ConfigurableApplicationContext context = SpringApplication.run(Dome03Application.class, args);context.close();}
}

测试结果