1 - (void)viewDidLoad {
 2     [super viewDidLoad];
 3     // 两个网址：
 4     // http://api.openweathermap.org/data/2.5/forecast/daily?lat=39.907501&lon=116.397232&cnt=10
 5
 6     // http://h.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a298a1c0a799c25bc315d607cb5.jpg
 7
 8     AFHTTPRequestOperationManager *manager            = [AFHTTPRequestOperationManager manager];
 9
10     // 设置回复内容信息
11     manager.responseSerializer.acceptableContentTypes = [manager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
12
13     AFHTTPRequestOperation *httpOperation = [manager GET:@""
14                                               parameters:parameters
15                                                  success:^(AFHTTPRequestOperation *operation, id responseObject) {
16
17                                                  }
18                                                  failure:^(AFHTTPRequestOperation *operation, NSError *error) {
19
20                                                  }];
21
22 }

 1 - (void)viewDidLoad {
 2     [super viewDidLoad];
 3     // 两个网址：
 4     // http://api.openweathermap.org/data/2.5/forecast/daily?lat=39.907501&lon=116.397232&cnt=10
 5
 6     // http://h.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a298a1c0a799c25bc315d607cb5.jpg
 7
 8     NSString* urlStr = @"http://api.openweathermap.org/data/2.5/forecast/daily?lat=39.907501&lon=116.397232&cnt=10";
 9
10     AFHTTPRequestOperationManager *manager            = [AFHTTPRequestOperationManager manager];
11
12     // 设置回复内容信息
13     manager.responseSerializer.acceptableContentTypes = [manager.responseSerializer.acceptableContentTypes setByAddingObject:@"text/html"];
14
15     [manager GET:urlStr
16       parameters:nil
17          success:^(AFHTTPRequestOperation *operation, id responseObject) {
18              NSLog(@"%@",responseObject);//查看回复的信息
19          }
20          failure:^(AFHTTPRequestOperation *operation, NSError *error) {
21              NSLog(@"%@",error);//以及查看错误信息
22          }];
23 }