有两种方法的原因在于它取决于.在大多数情况下，从数据库中进行显示是更多的工作，我倾向于将图像保留在文件系统中，并在数据库中放置路径.

The reason there''s two methods is that it depends. Showing from a DB is more work, I would tend towards leaving the images in the file system and putting paths in the DB, in most cases.