从 JSON 创建数据模型

Creating a data model from JSON

我有一个 JSON 看起来像这样:

{
"club": [
    {
        "titles": "1",
        "league": "epl",
        "country": "england",

    }
}

我创建了一个 属性 这样的:

@property (strong, nonatomic) NSMutableArray <Clubs> *club;

俱乐部 属性 继承自俱乐部 class,后者拥有冠军、联赛和国家/地区属性。

当我尝试使用该数据模型创建字典时,我无法访问俱乐部数组中的属性。

我是否错误地创建了数据模型?

正在创建字典

        for (NSDictionary *dictionary in responseObject) {

                if (![self.searchText isEqualToString:@""]) {
                    self.predictiveProductsSearch = [[PerdictiveSearch alloc]initWithDictionary:dictionary error:nil];
                    self.predictiveTableView.dataSource = self;
                    [self.predictiveTableView reloadData];
                    self.predictiveTableView.hidden = NO;

            }

        }

俱乐部class

 #import <JSONModel/JSONModel.h>


 @protocol Clubs @end
 @interface Clubs : JSONModel

 @property (strong, nonatomic) NSString <Optional> * titles;
 @property (strong, nonatomic) NSString <Optional> * league;
 @property (strong, nonatomic) NSString <Optional> * country;
 @property (strong, nonatomic) NSString <Optional> * topGS;
 @property (strong, nonatomic) NSString <Optional> * GoalSc;
 @property (strong, nonatomic) NSString <Optional> * TransferBudget;


@end

请使用以下代码实现JSON模型保存:

_club = [[NSMutableArray alloc]init];

NSDictionary *responseObject = @{
    @"club": @[
             @{
                 @"titles": @"1",
                 @"league": @"epl",
                 @"country": @"england"

             }]
             };
NSArray *newResponseObject = [responseObject objectForKey:@"club"];
for (NSDictionary *dictionary in newResponseObject) {

    Clubs *objClubs = [[Clubs alloc]initWithDictionary:dictionary error:nil];
    [_club addObject:objClubs];

}

NSLog(@"%@",[_club objectAtIndex:0]);

打印如下:

<Clubs> 
   [titles]: 1
   [country]: england
   [GoalSc]: <nil>
   [league]: epl
   [topGS]: <nil>
   [TransferBudget]: <nil>
</Clubs>