我通过代码中的链接访问了Yahoo Finance数据集.它在调试窗口中执行并打印JSON数据.如何在myNameLabel中存储然后打印选定的字段.例如"symbol"或"LastTradePriceOnly"字段？
class ViewController: UIViewController {
@IBOutlet weak var myNameLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
let manager = AFHTTPRequestOperationManager()
manager.GET( "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.quote%20where%20symbol%20in%20(%22AAPL%22)&format=json&diagnostics=true&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=",
parameters: nil,
success: { (operation: AFHTTPRequestOperation!,responseObject: AnyObject!) in
println("JSON: " + responseObject.description)
//How to access and print individual fields?
},
failure: { (operation: AFHTTPRequestOperation!,error: NSError!) in
println("Error: " + error.localizedDescription)
})
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be …