spring-6-源码解析AOP

package com.beanPostProcessor;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.core.PriorityOrdered;
import org.springframework.stereotype.Component;

@Component
public class Lwj_BeanPostPocessor implements BeanPostProcessor, PriorityOrdered {
    //实现PriorityOrdered,实现getOrder方法返回一个数值越小越靠前执行
    @Override
    public int getOrder() {
        return 102;
    }

    //初始化之前植入的切面方法
    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
        if("wjwTest".equals(beanName)){
            System.out.println("Lwj_BeanPostPocessor之前的方法");
        }
        return bean;
    }

    //初始化之后植入的切面方法
    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
        if("wjwTest".equals(beanName)){
            System.out.println("Lwj_BeanPostPocessor之后的方法");
        }
        return bean;
    }
}