SpringBoot在项目启动的时候对某些Bean进行操作

package cn.com.baidu.filter;

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

/**
 * 对容器中的Bean初始化时进行特定操作
 * 2023年12月22日16:45:00
 */
@Component
public class MyBeanPostProcessor implements BeanPostProcessor {

    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
        // 对含有某特定注解的Bean操作
        if (bean.getClass().isAnnotationPresent(CLog.class)) {
            Class clazz = bean.getClass();
            ...
        }
        return bean;
    }


    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
        System.out.println("初始化之后执行：" + beanName);
        return bean;
    }

}