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1，下面创建一个操作表（或叫底部警告框）并弹出显示 
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class ViewController: UIViewController,UIActionSheetDelegate { override func viewDidLoad() { super.viewDidLoad() var actionSheet=UIActionSheet() //actionSheet.title = "请选择操作" actionSheet.addButtonWithTitle("取消") actionSheet.addButtonWithTitle("动作1") actionSheet.addButtonWithTitle("动作2") actionSheet.cancelButtonIndex=0 actionSheet.delegate=self actionSheet.showInView(self.view); } func actionSheet(actionSheet: UIActionSheet!,clickedButtonAtIndex buttonIndex:Int){ println("点击了："+actionSheet.buttonTitleAtIndex(buttonIndex)) }} |
2，在一般情况下，工具条，或标签条中显示的调用方式是不一样的
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actionSheet.showInView(self.view); //一般情况actionSheet.showFromToolbar(self.navigationController.toolbar) //工具条的情况下actionSheet.showFromTabBar(self.tabBar) //标签条的情况下 |
Swift - 操作表（UIActionSheel）的用法，也叫底部警告框
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原文地址：http://www.cnblogs.com/Free-Thinker/p/4838168.html
