标签：
同步的 get 请求
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
<code class="hljs" objectivec="">#pragma mark - 同步的 get 请求- (IBAction)GETSynButtonDidClicked:(UIButton *)sender { // 1、网址里面必须写 http:// NSString *urlString = @http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx?date=20131129&startRecord=1&len=5&udid=1234567890&terminalType=Iphone&cid=213; // 2、如果网址有汉字需要转换(没有汉字也可以写) urlString = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; // 3、根据字符串创建 url(统一资源定位符) NSURL *url = [NSURL URLWithString:urlString]; // 4、根据 url 创建 request 请求类的对象 NSURLRequest *request = [NSURLRequest requestWithURL:url]; // 5、开始去请求网络、数据(同步) 返回data NSData *receiveData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; // 6、系统自带json解析 NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:receiveData options:(NSJSONReadingMutableContainers) error:nil]; NSArray *array = dict[@news]; self.newsArray = [NSMutableArray array]; for (NSDictionary *smallDict in array) { NewsModal *modal = [[NewsModal alloc] init]; [modal setValuesForKeysWithDictionary:smallDict]; [self.newsArray addObject:modal]; } for (NewsModal *modal in self.newsArray) { NSLog(@%@, modal.title); }}</code> |
异步的 get 请求
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
<code class="hljs" objectivec="">#pragma mark - 异步的 get 请求- (IBAction)GETAsyButtonDidClicked:(UIButton *)sender { // 1、拼接 urlString,网址里面必须写 http:// NSString *urlString = @http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx?date=20131129&startRecord=1&len=5&udid=1234567890&terminalType=Iphone&cid=213; // 2、根据字符串创建 URL(统一资源定位符) NSURL *url = [NSURL URLWithString:urlString]; // 3、根据 url 创建 request 请求类的对象 NSURLRequest *request = [NSURLRequest requestWithURL:url]; // 4、开始去请求网络、数据(同步) 返回data [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { // 5、系统自带json解析 NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:(NSJSONReadingMutableContainers) error:nil]; NSArray *array = dict[@news]; self.newsArray = [NSMutableArray array]; for (NSDictionary *smallDict in array) { NewsModal *modal = [[NewsModal alloc] init]; [modal setValuesForKeysWithDictionary:smallDict]; [self.newsArray addObject:modal]; } for (NewsModal *modal in self.newsArray) { NSLog(@%@, modal.title); } }];}</code> |
标签：
原文地址：http://www.cnblogs.com/hahahahahaha/p/5077350.html
