Spring Learning Notes (6) Types and differences of assembly beans "resources from the Internet copyright not himself"

Types of beans

1. Normal Bean: normal Bean before operation

<bean id= "" class= "a" > Spring directly creates A and then returns

2.Factorybean: is a special bean that has the ability to produce objects in a factory, but can only produce specific objects

The bean must implement the Factorybean interface, which provides a GetObject () to obtain a specific bean.

<bean id= "" calss= "Factorybean" > Create the Factorybean instance first, then call Fb.getobject () and return the return value

Underlying code:

FB fb=new FB ();

return Fb.getobject ();

Factorybean and beanfactory contrast,

Beanfactory: is a factory that is used to produce any bean.

Factorybean: is a bean used by beans for production characteristics.

Spring Learning Notes (6) Types and differences of assembly beans "resources from the Internet copyright not himself"