LWTViewController.m
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// // LWTViewController.m // 网络编程练习 -- NSURLCache // // Created by apple on 14-7-2. // Copyright (c) 2014年 lwt. All rights reserved. // #import "LWTViewController.h" @interface LWTViewController () @end @implementation LWTViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSURL *url = [NSURL URLWithString:@"http://192.168.1.24:8080/MJServer/resources/video"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; NSURLCache *cache = [NSURLCache sharedURLCache]; cache.memoryCapacity = 1024 * 1024; cache.diskCapacity = 10 * 1024 * 1024; request.cachePolicy = NSURLRequestReturnCacheDataElseLoad; NSCachedURLResponse *response = [cache cachedResponseForRequest:request]; if (response) { NSLog(@"---这个请求已经存在缓存"); } else { NSLog(@"---这个请求没有缓存"); } [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil]; NSLog(@"%@",dict); }]; } @end