ID of the spring Bean Factory and bean

Spring bean can inherit the beanfactory interface and implement interfaces such as getbean () and issingleton. The bean is configured in the configuration file, which is characterized by that when the caller calls the bean, the returned bean is not the bean, but its product, if you want to return the bean, add the & symbol before the bean ID, for example, person per = CTX. getbean ("personfactory"); returns the person of the product of the personfactory project, rather than the personfactory. Personfactory pF = CTX. getbean ("& personfactory"); returns the personfactory instance.

Spring bean inherits the beannameware interface to obtain the bean ID. Method or inheritance configured with lookup-method after dependency InjectionBefore the afterproptertiesset () method of initializingbean. Generally, you do not need to obtain the bean ID.