iOS开发——数据持久化Swift篇&iCloud云存储

iCloud云存储

 import UIKit

 class ViewController: UIViewController {

     override func viewDidLoad() {
         super.viewDidLoad()
         /**
         1:可以存储两种
                 //IOS可识别的文档

                 //字典对象
         */

         //     2: Ubiquity Container............数据区域

         /**
         3:
             分成多个文件小块
             主动请求同步
         */

         //获取数据
         var iCouldStore = NSUbiquitousKeyValueStore.defaultStore()
          iCouldStore.synchronize()

         //读取
         iCouldStore.stringForKey("name")
         iCouldStore.stringForKey("area")

         println("name: \(name)")
         println("area: \(area)")

         //写数据
         var iCouldStore = NSUbiquitousKeyValueStore.defaultStore()
         iCouldStore.synchronize()

         iCouldStore.setString(companyName, forKey: "name")
         iCouldStore.setString(companyArea, forKey: "area")

     }

     override func didReceiveMemoryWarning() {
         super.didReceiveMemoryWarning()

     }

 }