Spring Bean加载流程图

BeanFactoryPostProcessor

IOC container

填充属性

抽象接口定义读取配置文件的规范

初始化bean执行init方法

JSON

YML

bean定义信息BeanDefinition

XML

BeanPostProcessor: before

Constructor ctor = class.getDeclaredConstructor();Object obj = ctor.newInstance();

BeanPostProcessor: after

BeanDefinitionReader

new反射

BeanFactory

完整bean对象

实例化bean