TipCalculator 源码

TipCalculator 导入UIKit class ViewController:UIViewController {重写func viewDidLoad(){super.viewDidLoad()// //加载视图后进行任何其他设置。 } @IBOutlet weak var BillAmountlabel: UILabel! @IBOutlet weak var BillAmounttextfeild: UITextField! @IBOutlet var TipAmountlabel: UIView! @IBOutlet weak var tenpercentlabel: UILabel! @IBOutlet weak var fifteenpercentlabel: UILabel! @IBOutlet weak var twentypercentlabel: UILab