Itcast video-spring learning notes (configure the bean scope managed by spring)

Source: Internet
Author: User

ThanksItcastFree video released.

 

SpringThe default value is for a single instance.

BeanScope(BeanOfScopeAttribute)

1. Singleton

In each Spring IoC Container Bean Only one object instance is defined. By default, it is initialized when the container is started. Bean, However, you can specify Bean Node Lazy-init = "true" To delay Initialization Bean, At this time, only the first time Bean Will be initialized Bean. For example:

<Bean id = "XXX" class = "XXXXX" lazy-init = "true"/>

If you wantBeanApplication Initialization is delayed and can be performed on the root node.BeansSetDefault-Lazy-init = "true ",As follows:

<Beans default-Lazy-init = "true "...>

2. Prototype

Get from container every timeBeanAre new objects.

3. Request

4. Session

5. Global session

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