在iOS中存储对象以供以后使用

My app is pulling in JSON data from our web service. In all instances up til now, the information would be retained in memory or just refreshed on the fly with no need to retain anything locally other than the login token used in the API. With one of the new features we are adding, we will be taking in a group of locations, 26 max, with long, lat, radius, and name. My app is pulling in JSON data from our web ser