iOS基础——网络请求之NSURLConnection、NSURLSessionDataTask

// // AppDelegate.h // NetWorkDemo // // Created by handsome xu on 2017/3/21. // Copyright © 2017年 hensen. All rights reserved. // #import <UIKit/UIKit.h> #import <CoreData/CoreData.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window; @property (readonly, strong) NSPersistentContainer *persistentContainer; - (void)saveContext; @end