lazy-init

<bean lazy-init="true"></bean>
<beans default-lazy-init="true"><beans>

• 默认false

scope

• singleton，prototype，request，session，global session
• 默认singleton

autowire

• no，byName
• byType：多个匹配抛异常
• constructor：按参数类型匹配，无匹配抛异常
• 默认no

init-method，destroy-method

<beans default-init-method="" default-destroy-method="" ></beans>
<bean init-method="" destroy-method=""></bean>

implements InitializingBean
implements DisposableBean

• default优先级最低，在其余二者存一时失效
• default即便定义，实际无该方法时，也不报错

未定义id时

• 类全称#编号作为beanName

FactoryBean

public interface FactoryBean<T> {  

    T getObject() throws Exception;  
  
    Class<?> getObjectType();  

    boolean isSingleton();  
}

• &：工厂bean名字前缀

BeanPostProcessor

• AdvisorAdapterRegistrationManager是BeanPostProcessor在AOP里的应用，再细看下