DefaultRumenzFactory.java
package com.rumenz; import org.springframework.beans.factory.InitializingBean; import javax.annotation.PostConstruct; public class DefaultRumenzFactory implements InitializingBean { public DefaultRumenzFactory() { System.out.println("无参构造方法执行...."); } @PostConstruct public void init(){ System.out.println("PostConstruct init......."); } public void initMethod(){ System.out.println("init method......."); } @Override public void afterPropertiesSet() throws Exception { System.out.println("afterPropertiesSet....."); } }DemoApplication.java调用
package com.rumenz; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.context.annotation.Bean; public class DemoApplication { public static void main(String[] args) { AnnotationConfigApplicationContext ac=new AnnotationConfigApplicationContext(); ac.register(DemoApplication.class); ac.refresh(); DefaultRumenzFactory bean = ac.getBean(DefaultRumenzFactory.class); ac.close(); } @Bean(initMethod = "initMethod") public static DefaultRumenzFactory defaultRumenzFactory(){ return new DefaultRumenzFactory(); } }输出
xxx.DefaultListableBeanFactory - Creating shared instance of singleton bean 'defaultRumenzFactory' 无参构造方法执行.... PostConstruct init....... afterPropertiesSet..... init method.......执行顺序 1.@PostConstruct 2.@InitializingBean#afterPropertiesSet 3.@Bean(initMethod=“xxx”)
源码:https://github.com/mifunc/Spring-BeanInitialization
原文: https://rumenz.com/rumenbiji/Spring-BeanInitialization.html
