如何使用swift在mac中制作警报控制器 [英] How to make an alert controller in mac using swift
问题描述
我是 Swift 的新手,我正在尝试为 Mac OS X 制作一个评分收集程序.我确实了解 iOS 上的 Swift 编程,但我对 OS X Swift 了解不多.所以我为 OS X 编写了一个程序.我几乎完成了它,但我想知道如何使用 swift 在 mac 中制作警报控制器.我知道如何在 iso 上执行此操作,但我不知道如何在 OS X 上执行此操作,而且我想知道如何在其中使用 .isEmptyOS X.
I am new to Swift, and I'm trying to make a score collected program for Mac OS X. I do know about Swift programming on iOS, but I don't know that much about OS X Swift. So I wrote a program for OS X. I almost finished it, but i want to know how to make alert controller in mac using swift. I know how to do it on iso but i don't know how to do it on OS X and also i want to know how to use .isEmpty in OS X.
import Cocoa
class ViewController: NSViewController {
@IBOutlet var Maths: NSTextField! = NSTextField()
@IBOutlet var Science: NSTextField! = NSTextField()
@IBOutlet var English: NSTextField! = NSTextField()
@IBOutlet var Religious: NSTextField! = NSTextField()
@IBOutlet var History: NSTextField! = NSTextField()
@IBOutlet var Geography: NSTextField! = NSTextField()
@IBOutlet var ICT: NSTextField! = NSTextField()
@IBOutlet var Computing: NSTextField! = NSTextField()
@IBOutlet var Total: NSTextField!
@IBOutlet var AVG: NSTextField!
@IBOutlet var StudentName: NSTextField!
@IBOutlet var StudentClass: NSTextField!
@IBOutlet var Report: NSTextField!
override func viewDidLoad() {
super.viewDidLoad()
}
override var representedObject: AnyObject? {
didSet {
// Update the view, if already loaded.
}
}
@IBAction func CountTotalnAVG(sender: NSButton) {
var Mathsc = Maths.stringValue.toInt()
var Sciencec = Science.stringValue.toInt()
var Englishc = English.stringValue.toInt()
var Religiousc = Religious.stringValue.toInt()
var Historyc = History.stringValue.toInt()
var Geographyc = Geography.stringValue.toInt()
var ICTc = ICT.stringValue.toInt()
var computingc = Computing.stringValue.toInt()
/*
var add = (Mathsc?.advancedBy(Sciencec!).advancedBy(Englishc!).advancedBy(Religiousc!).advancedBy(Historyc!).advancedBy(Geographyc!).advancedBy(ICTc!).advancedBy(computingc!))
*/
var add: Int = (Mathsc! + Sciencec! + Englishc! + Religiousc! + Historyc! + Geographyc! + ICTc! + computingc!)
if (Mathsc! == " ") {
}
else{
Total.stringValue = "\(add)"
var divide:Int = add/8
AVG.stringValue = "\(divide)"
}
}
@IBAction func GetReport(sender: NSButton) {
var Mathsc = Maths.stringValue.toInt()
var Sciencec = Science.stringValue.toInt()
var Englishc = English.stringValue.toInt()
var Religiousc = Religious.stringValue.toInt()
var Historyc = History.stringValue.toInt()
var Geographyc = Geography.stringValue.toInt()
var ICTc = ICT.stringValue.toInt()
var computingc = Computing.stringValue.toInt()
func getGrade(score: Int) -> String {
let result: String
switch score {
case 80...100 :
result = "A"
case 75..<80 :
result = "B"
case 60..<75 :
result = "C"
case 50..<60 :
result = "D"
case 40..<50 :
result = "E"
case 0..<40 :
result = "F"
default:
result = "F"
}
return result
}
Report.stringValue = "Grades you got: \(getGrade(Mathsc!) ,(getGrade(Sciencec!)))"
}
}
推荐答案
iOS 或 macOS 与 UIAlertController 相关的没有区别...
There is no difference between iOS or macOS related to UIAlertController...
let title = "Do you want to save the changes made to the document?".localized
let description = "Your changes will be lost if you don’t save them.".localized
let discard = "Don't Save".localized
let save = "Save".localized
let cancel = "Cancel".localized
let alert = UIAlertController(title: title, message: description, preferredStyle: .alert)
let discardAction = UIAlertAction(title: discard, style: .destructive) { _ in
// don't save action here
}
let saveAction = UIAlertAction(title: save, style: .default) { _ in
// save action here
}
let cancelAction = UIAlertAction(title: cancel, style: .cancel) { _ in }
alert.addAction(discardAction)
alert.addAction(cancelAction)
alert.addAction(saveAction)
yourViewController.present(alert, animated: true, completion: nil)
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