当我尝试运行这个项目时,我迎来了一个“使用未解析的标识符错误”。这里是代码我上线的误差与我不断收到一个使用未解决的标识符错误swift
var jsonDict = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.MutableContainers) as! NSDictionary
let task : NSURLSessionDataTask = session.dataTaskWithRequest(request, completionHandler: {data, response, error -> Void in if((error) != nil) { print(error!.localizedDescription) } else { let err: NSError? do { var jsonDict = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.MutableContainers) as! NSDictionary } catch { if(err != nil) { print("JSON Error \(err!.localizedDescription)") } else { //5: Extract the Quotes and Values and send them inside a NSNotification let quotes:NSArray = ((jsonDict.objectForKey("query") as! NSDictionary).objectForKey("results") as! NSDictionary).objectForKey("quote") as! NSArray dispatch_async(dispatch_get_main_queue(), { NSNotificationCenter.defaultCenter().postNotificationName(kNotificationStocksUpdated, object: nil, userInfo: [kNotificationStocksUpdated:quotes]) }) } } } })
可有人请帮助。谢谢。
哪一行,你得到的错误? – WMios
是的,它发生在哪条线上? –
@WMios我刚刚更新了代码,以显示错误的位置 –