Use of Swift-alarm box (Uialertview)

1, the following code creates and pops up an alarm box with a "Cancel" "OK" button of two

(note: Since IOS8, we recommend using Uialertcontroller)

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class ViewController: UIViewController{    override func viewDidLoad() {        super.viewDidLoad()        var alertView = UIAlertView()        alertView.title = "系统提示"        alertView.message = "您确定要离开hangge.com吗？"        alertView.addButtonWithTitle("取消")        alertView.addButtonWithTitle("确定")        alertView.cancelButtonIndex=0        alertView.delegate=self;        alertView.show()    }    func alertView(alertView:UIAlertView, clickedButtonAtIndex buttonIndex: Int){        if(buttonIndex==alertView.cancelButtonIndex){            println("点击了取消")        }        else        {            println("点击了确认")        }    }}

2, the Alarm box has the following 4 kinds of styles
Default: Defaults style
Plaintextinput: Alarm box with input box
Securetextinput: Alarm box with Password box
Loginandpasswordinput: Alarm box with input box and password box

Here is an example of an alarm box using an input box and a password box:

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import UIKitclass ViewController: UIViewController {    var alertView = UIAlertView()        override func viewDidLoad() {        super.viewDidLoad()                alertView.title = "系统登录"        alertView.message = "请输入用户名和密码！"        alertView.addButtonWithTitle("取消")        alertView.addButtonWithTitle("确定")        alertView.cancelButtonIndex=0        alertView.delegate=self;        alertView.alertViewStyle = UIAlertViewStyle.LoginAndPasswordInput        alertView.show()    }        func alertView(alertView:UIAlertView, clickedButtonAtIndex buttonIndex: Int){        if(buttonIndex==alertView.cancelButtonIndex){            println("点击了取消")        }        else        {            let name = alertView.textFieldAtIndex(0)            let password = alertView.textFieldAtIndex(1)            println("用户名是：\(name!.text) 密码是：\(password!.text)")        }    }    override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()    }}

Use of Swift-alarm box (Uialertview)