ios swift Button, Label, AlertView
浏览数：30 /
时间：2015年06月11日
import UIKit
class ViewController: UIViewController , UIAlertViewDelegate {
@IBOutlet var label: UILabel?
@IBOutlet var btn: UIButton?
@IBAction func btnClick(AnyObject) {
showAlert()
}
func showAlert() {
let alert = UIAlertView()
alert.title = "Alert"
alert.delegate = self
alert.message = "Hello Apple"
alert.addButtonWithTitle("OK")
alert.addButtonWithTitle("Cancel")
alert.show()
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func alertView(alertView: UIAlertView!, clickedButtonAtIndex buttonIndex: Int) {
switch buttonIndex
{
case 0:
self.label?.text = "ok";
case 1:
self.label?.text = "cancel"
default:
println("alertView cancel!")
}
}
}
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