## 类的使用
org.springframework.core.env.PropertiesPropertySource

- 使用PropertiesPropertySource的程序包
  程序包 | 说明
  --- | ---
  org.springframework.core.io.support | Support classes for Spring's resource abstraction.

- - ### org.springframework.core.io.support中PropertiesPropertySource的使用

    org.springframework.core.io.support中PropertiesPropertySource的子类
    限定符和类型 | 类和说明
    --- | ---
    `class` | `ResourcePropertySource` Subclass of `PropertiesPropertySource` that loads a `Properties` object from a given `Resource` or resource location such as `"classpath:/com/myco/foo.properties"` or `"file:/path/to/file.xml"`.