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1，下面代码创建并弹出一个告警框，并带有“取消”“确定”两个按钮
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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，告警框有下面4种样式
Default：默认样式
PlainTextInput：带输入框的告警框
SecureTextInput：带密码框的告警框
LoginAndPasswordInput：带输入框和密码框的告警框
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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() }} |
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原文地址：http://www.cnblogs.com/Free-Thinker/p/4838164.html
