我試圖從兩個UITextFields計算兩個值。我所做的是使answerScreen
等於valueOne
,我把它變成了Int
和valueTwo
,這應該是與!
變種相反。有人可以告訴我我做錯了什麼嗎?Swift - 兩個UITextFeild的值相乘
import UIKit
class ViewController: UIViewController {
// The answer will be here
@IBOutlet weak var answerScreen: UILabel!
// The first number
@IBOutlet weak var valueOne: UITextField!
// The second number
@IBOutlet weak var valueTwo: UITextField!
// The equals button
@IBAction func calculateValues(sender: AnyObject) {
answerScreen.text = valueOne.text.toInt() * valueTwo!
}
override func viewDidLoad() {
super.viewDidLoad()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
}
你是什麼意思 「的變種相反」 是什麼意思? – fluidsonic 2014-10-01 02:27:32