# 程序包org.springframework.core.io的分层结构

程序包分层结构:

- 所有程序包

## 类分层结构

- java.lang.Object
  - org.springframework.core.io.AbstractResource (implements org.springframework.core.io.Resource)
    - org.springframework.core.io.AbstractFileResolvingResource
      - org.springframework.core.io.ClassPathResource
        - org.springframework.core.io.DefaultResourceLoader.ClassPathContextResource (implements org.springframework.core.io.ContextResource)
      - org.springframework.core.io.UrlResource
        - org.springframework.core.io.FileUrlResource (implements org.springframework.core.io.WritableResource)
    - org.springframework.core.io.ByteArrayResource
    - org.springframework.core.io.DescriptiveResource
    - org.springframework.core.io.FileSystemResource (implements org.springframework.core.io.WritableResource)
    - org.springframework.core.io.InputStreamResource
    - org.springframework.core.io.PathResource (implements org.springframework.core.io.WritableResource)
    - org.springframework.core.io.VfsResource
  - org.springframework.core.io.DefaultResourceLoader (implements org.springframework.core.io.ResourceLoader)
    - org.springframework.core.io.ClassRelativeResourceLoader
    - org.springframework.core.io.FileSystemResourceLoader
  - java.beans.PropertyEditorSupport (implements java.beans.PropertyEditor)
    - org.springframework.core.io.ResourceEditor
  - org.springframework.core.io.VfsUtils

## 接口分层结构

- org.springframework.core.io.InputStreamSource
  - org.springframework.core.io.Resource
    - org.springframework.core.io.ContextResource
    - org.springframework.core.io.WritableResource
- org.springframework.core.io.ProtocolResolver
- org.springframework.core.io.ResourceLoader