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我有一个代码,解析JSON的问题列表,我可以得到每个属性.如何遍历整个文件并为每个问题创建一个对象？

class ViewController: UIViewController {

var hoge: JSON?

override func viewDidLoad() {
    super.viewDidLoad()

    let number = arc4random_uniform(1000)
    let url = NSURL(string: "http://www.wirehead.ru/try-en.json?\(number)")
    var request = NSURLRequest(URL: url!)
    var data = NSURLConnection.sendSynchronousRequest(request, returningResponse: nil, error: nil)
    if data != nil {
        hoge = JSON(data: data!)
        let level = hoge!["pack1"][0]["level"].intValue
        let questionText = hoge!["pack1"][0]["questionText"].stringValue
        let answer1 = hoge!["pack1"][0]["answer1"].stringValue
        let answer2 = hoge!["pack1"][0]["answer2"].stringValue
        let answer3 = hoge!["pack1"][0]["answer3"].stringValue
        let answer4 = hoge!["pack1"][0]["answer4"].stringValue
        let correctAnswer = hoge!["pack1"][0]["correctAnswer"].stringValue
        let haveAnswered = hoge!["pack1"][0]["haveAnswered"].boolValue

    }
  }
}

我的问题模型我想在下面创建哪些对象 …