spring beanFactoryPostProcessor beanPostProcessor
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BeanFactoryPostProcessor是在spring容器加载了bean的定义文件之后,在bean实例化之前执行的。接口方法的入参是ConfigurrableListableBeanFactory,使用该参数,可以获取到相关bean的定义信息,
BeanPostProcessor是在spring容器加载了bean的定义文件并且实例化bean之后执行的。BeanPostProcessor的执行顺序是在BeanFactoryPostProcessor之后
BeanFactoryPostProcessor在bean实例化之前执行,之后实例化bean(调用构造函数,并调用set方法注入属性值),然后在调用两个初始化方法前后,执行了BeanPostProcessor。初始化方法的执行顺序是,先执行afterPropertiesSet,再执行init-method
public class BeanHelper implements ApplicationContextAware {
public static ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext)
throws BeansException {
BeanHelper.applicationContext = applicationContext;
}
}
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