Django/docs/3.0.x/ref/files/index

File handling

• File 对象
  • The File class
  • The ContentFile class
  • The ImageFile class
  • Additional methods on files attached to objects
• File storage API
  • Getting the current storage class
  • The FileSystemStorage class
  • The Storage class
• Uploaded Files and Upload Handlers
  • Uploaded files
  • Built-in upload handlers
  • Writing custom upload handlers