數據模型 class dataImage {
var userId: String
var value: Double
var photo: UIImage?
var croppedPhoto: UIImage?
init(userId:String, value: Double, photo: UIImage?, croppedPhoto: UIIma
數據控制器 class DataController {
let model = "GoodiesCoreData"
private lazy var applicationDocumentsDirectory: NSURL = {
let urls = NSFileManager.defaultManager().URLsForDirectory(NSSearchPathDir