PropertySourceLoader (Spring Boot API)

所有已知实现类:
PropertiesPropertySourceLoader, YamlPropertySourceLoader
```
public interface PropertySourceLoader
```
Strategy interface located via SpringFactoriesLoader and used to load a PropertySource.

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`String[]`	`getFileExtensions()`	Returns the file extensions that the loader supports (excluding the '.').
`org.springframework.core.env.PropertySource<?>`	`load(String name, org.springframework.core.io.Resource resource, String profile)`	Load the resource into a property source.

- 方法详细资料
  - getFileExtensions
```
String[] getFileExtensions()
```
    Returns the file extensions that the loader supports (excluding the '.').
    返回:
    the file extensions
  - load
```
org.springframework.core.env.PropertySource<?> load(String name,
                                                    org.springframework.core.io.Resource resource,
                                                    String profile)
                                             throws IOException
```
    Load the resource into a property source.
    参数:
    name - the name of the property source
    resource - the resource to load
    profile - the name of the profile to load or null. The profile can be used to load multi-document files (such as YAML). Simple property formats should null when asked to load a profile.
    返回:
    a property source or null
    抛出:
    IOException - if the source cannot be loaded