SwiftyJSON - 解析问题

Question

我尝试用 SwiftyJSON 解析 json。其中一个字段有 url 图像，我尝试将其保存为 NSData 但我面临崩溃和控制台错误。编译器创建对象时出现崩溃

编码如下

var JSONStorage : [Article?]?
var objects = [Article?]()

override func viewDidLoad() {
    super.viewDidLoad()

    let number = arc4random_uniform(1000)
    let urlString = "http://wirehead.ru/article.json?\(number)"

    if let url = NSURL(string: urlString) {
        if let data = try? NSData(contentsOfURL: url, options: []) {
            let json = JSON(data: data)

            for element in json["article"].arrayValue {

                let id = Int(element["id"].stringValue)
                let title = element["title"].stringValue
                let subtitle = element["subtitle"].stringValue
                let body = element["body"].stringValue
                let img = element["images"]["main"].rawValue
                let obj:Article = Article(id: id!, title: title, subtitle: subtitle, body: body, mainImage: img as! NSData)

                objects.append(obj)
                print("We are inside if let")

            }

        }
    }

    print(objects)

}

Link 到 JSON 是 http://wirehead.ru/article.json and here is with highlight http://pastebin.com/AAEFjsQN

我得到的错误是

有什么建议吗？

Answer 1

["images"]["main"] 包含由 String

表示的 URL

要获取图像数据，请使用类似这样的东西

let imgURLString = element["images"]["main"].stringValue
if let url = NSURL(string:imgURLString) {
  let img = NSData(contentsOfURL:url)
}

SwiftyJSON - 解析问题

SwiftyJSON - issues with parsing

ios

swift

swifty-json