File Upload
FileField, ImageField, media files, file storage backends, custom storage, chunked uploads
1Which Django field should be used to store an uploaded file of any type?
Which Django field should be used to store an uploaded file of any type?
回答
FileField is the standard field for storing any file type in Django. It automatically handles filesystem storage and saves the relative path in the database. This field requires configuring MEDIA_ROOT to define the physical storage directory.
2What is the main difference between FileField and ImageField?
What is the main difference between FileField and ImageField?
回答
ImageField inherits from FileField and adds automatic validation to ensure the uploaded file is a valid image. It checks file headers and can extract image dimensions through width and height attributes. It requires the Pillow library to work.
3Which settings.py parameter defines the base directory for uploaded files?
Which settings.py parameter defines the base directory for uploaded files?
回答
MEDIA_ROOT defines the absolute path to the directory where Django stores user-uploaded files. This parameter must point to a directory with write access for the application. MEDIA_URL defines the public URL to access these files.
Which HTML form attribute is required to allow file uploads?
How to access uploaded files in a Django view?
+17 面接問題