## 接口的使用
org.springframework.context.Phased

- 使用Phased的程序包
  程序包 | 说明
  --- | ---
  org.springframework.context | This package builds on the beans package to add support for message sources and for the Observer design pattern, and the ability for application objects to obtain resources using a consistent API.

- - ### org.springframework.context中Phased的使用

    org.springframework.context中Phased的子接口
    限定符和类型 | 接口和说明
    --- | ---
    `interface` | `SmartLifecycle` An extension of the `Lifecycle` interface for those objects that require to be started upon ApplicationContext refresh and/or shutdown in a particular order.