POST:

AFHTTPSessionManager *session = [AFHTTPSessionManager manager];session.requestSerializer = [AFJSONRequestSerializer serializer];NSMutableDictionary *params = [NSMutableDictionary dictionary];params[@"start"] = @"1";params[@"end"] = @"5";    [session POST:urlStr parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {    NSLog(@"请求成功");} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {    NSLog(@"请求成功");}];

GET:

AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];[manager GET:@"http://example.com/resources.json" parameters:nil progress:nil success:^(NSURLSessionTask *task, id responseObject) {    NSLog(@"JSON: %@", responseObject);} failure:^(NSURLSessionTask *operation, NSError *error) {    NSLog(@"Error: %@", error);}];