springbean生命周期

在springboot项目里验证springbean生命周期

点击查看代码

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.*;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

@Component(value = "zhangsan")
public class Person implements BeanNameAware, BeanFactoryAware,
        ApplicationContextAware, BeanFactoryPostProcessor,BeanPostProcessor,InitializingBean, DisposableBean {

    private String name;
    static void dosometing(){
        System.out.println("Person 静态方法");
    }

    public Person() {
        System.out.println("Person 类构造方法");
    }


    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
        System.out.println("set方法被调用");
    }

    //自定义的初始化函数
    @PostConstruct
    public void myInit() {
        System.out.println("myInit被调用");
    }

    //自定义的销毁方法
    @PreDestroy
    public void myDestroy() {
        System.out.println("myDestroy被调用");
    }

//    @Override
//    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
//        System.out.println("BeanPostProcessor接口 postProcessBeforeInitialization被调用");
//        return bean;
//    }

//    @Override
//    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
//        System.out.println("BeanPostProcessor接口 postProcessAfterInitialization被调用");
//        return bean;
//    }

    public void destroy() throws Exception {
        // TODO Auto-generated method stub
        System.out.println("DisposableBean接口 destory被调用");
    }

    public void afterPropertiesSet() throws Exception {
        // TODO Auto-generated method stub
        System.out.println("InitializingBean接口 afterPropertiesSet被调用");
    }

    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {
        // TODO Auto-generated method stub
        System.out.println("ApplicationContextAware接口 setApplicationContext被调用");
    }

    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        // TODO Auto-generated method stub
        System.out.println("BeanFactoryAware接口 setBeanFactory被调用,beanFactory:"+beanFactory);
    }

    public void setBeanName(String beanName) {
        // TODO Auto-generated method stub
        System.out.println("BeanNameAware接口 setBeanName被调用,beanName:" + beanName);
    }

    public String toString() {
        return "name is :" + name;
    }

    @Override
    public void postProcessBeanFactory(ConfigurableListableBeanFactory configurableListableBeanFactory) throws BeansException {
        System.out.println("BeanFactoryPostProcessor接口 postProcessBeanFactory被调用");
    }
}

运行截图:
image
参考博客:https://www.cnblogs.com/twoheads/p/10215041.html

posted @ 2023-09-06 17:33  ControlO_o  阅读(2)  评论(0编辑  收藏  举报