Question

它在快速beta4中工作，现在我有GM版本但这个错误说你好我怎么解决这个问题？

＆＃34;无法找到＆＃39; init＆＃39;接受提供的参数＆＃34;分为两部分

var timer = NSTimer()
var counter : Double = 7.0

override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.
    labelCounter.text = String(counter)       <- error here
}

@IBOutlet weak var labelCounter: UILabel!

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}

@IBAction func startCounterPressed(sender: AnyObject) {
    timer.invalidate()
    timer = NSTimer.scheduledTimerWithTimeInterval(0.1, target: self, selector: Selector("update"), userInfo: nil, repeats: true)
}

func update()   {
    sth cool
    }

@IBAction func pauseCounterPressed(sender: AnyObject) {
    timer.invalidate()
}

@IBAction func stopCounterPressed(sender: AnyObject) {
    timer.invalidate()
    counter = 7.0
    labelCounter.text = String(counter)           <- error here

Answer 1

String的

init类重载double方法。

let s = NSString(format: "%.2f", counter)

无法找到接受所提供参数的“init”的重载（swift）

1 个答案: