iOS 第三方框架-MJExtension

       // 将 "微博字典"数组 转为 "微博模型"数组
        NSArray *newStatuses = [HWStatus objectArrayWithKeyValuesArray:json[@"statuses"]];

HWUser *user = [HWUser objectWithKeyValues:json];

/** 微博配图地址。多图时返回多图链接。无配图返回“[]” */
@property (nonatomic, strong) NSArray *pic_urls;

- (NSDictionary *)objectClassInArray
{
    return @{@"pic_urls" : [HWPhoto class]};
}