## 接口的使用
org.springframework.core.env.PropertySources

- 使用PropertySources的程序包
  程序包 | 说明
  --- | ---
  org.springframework.core.env | Spring's environment abstraction consisting of bean definition profile and hierarchical property source support.

- - ### org.springframework.core.env中PropertySources的使用

    实现PropertySources的org.springframework.core.env中的类
    限定符和类型 | 类和说明
    --- | ---
    `class` | `MutablePropertySources` The default implementation of the `PropertySources` interface.

    参数类型为PropertySources的org.springframework.core.env中的构造器
    构造器和说明
    `MutablePropertySources(PropertySources propertySources)` Create a new `MutablePropertySources` from the given propertySources object, preserving the original order of contained `PropertySource` objects.
    `PropertySourcesPropertyResolver(PropertySources propertySources)` Create a new resolver against the given property sources.