存储充满NSImages的NSCache的最简单方法

Question

What is the simplest way to persistently store a NSCache filled with NSImage s? I'm not looking for Core Data, which seems like overkill for just storing a dictionary with images.

Answer 1

If all you have is a set of pictures, I'd simply get a path from the user and use NSImage's TIFFRepresentation to get instances of NSData for each picture, which can then be written to the path using NSFileManager and NSFileHandle.

If you have info accompanying the images, like tags, I'd put that, along with identifying titles for the images, in an array of dictionaries. Then you can use NSArray's writeToFile:atomically: method to write out a plist.