Question

我正在下载一个很好的文件。然后我试图解析这个json以从中获取一个值。这是发生错误的地方。我觉得文件下载很好。这是我到目前为止所拥有的

 func parseYoutubeVideo(json : String)
{

    if let data = json.dataUsingEncoding(NSUTF8StringEncoding)
    {
        let newJson = JSON(data: data)
        //Get the youtube video from the Json data
        print("Parsing Video")
        self.myVideo = newJson["video"].stringValue
        //load the video
        print("Video parsed: " + self.myVideo)
        self.myYoutubePlayer .loadWithVideoId(myVideo)



    }
}
//Function to log into the server and retrive data
func  downloadVideoUrl(myUrl : String)
{
    print("Downloading video")
    Alamofire.request(.GET, myUrl)
        .authenticate(user: "admin", password: "admin")
        .validate()
        .responseString { response in
            print("Success: \(response.result.isSuccess)")
            print("Response String: \(response.result.value)")

            if(response.result.isSuccess == true)
            {
                self.parseYoutubeVideo(response.result.value!)
                //self.parseYoutubeVideo(self.testConfigJson)

            }else
            {
                //remove player from the view
                 self.myYoutubePlayer.removeFromSuperview()
            }



    }
}

这就是alamofire给我的东西

Success: true
Response String: Optional("[ {\n  \"video\" : \"zKevpV_Qo7A\"\n} ]")

我是否缺少如何做到这一点或我完全错误的做法。这就是解析json数组的方法吗？

感谢您对此提供任何帮助

Answer 1

使用此代码：

let data = response.result.value!.dataUsingEncoding(NSUTF8StringEncoding)
var json: NSArray?

do {
json = try NSJSONSerialization.JSONObjectWithData(data!, options: .AllowFragments) as! NSArray
}
catch error as NSError {
print(error)
}
let video = (json[0] as! NSDictionary)["video"] as String

试图用swiftJson解析json数组

1 个答案: