- //方法1
- letalertSheet=UIActionSheet(title:alertTitle,delegate:nil,cancelButtonTitle:alertOK,0);background-color:inherit;">destructiveButtonTitle:alertCancel)
- alertSheet.showInView(self.view)
//方法2
//实例化时添加代理对象，同时注意添加协议
letalertSheet=UIActionSheet(title:alertTitle,153);background-color:inherit;font-weight:bold;">self,0);background-color:inherit;">destructiveButtonTitle:alertCancel,0);background-color:inherit;">otherButtonTitles:"警告","提示","通告")
alertSheet.showInView(self.view)
//添加协议
classViewController:UIViewController,UIActionSheetDelegate{
overridefuncviewDidLoad(){
...
}
}
//代理方法
//MARK:UIActionSheetDelegate
funcactionSheet(actionSheet:UIActionSheet,clickedButtonAtIndexbuttonIndex:Int){
letbuttonTitle=actionSheet.buttonTitleAtIndex(buttonIndex)
ifbuttonTitle==alertCancel
{
print("你点击了退出")
elseifbuttonTitle==alertOK
print("你点击了确定")
else
print("你点击了其他")
}
//方法3
//1实例化
letalertSheet=UIAlertController(title:alertTitle,0);background-color:inherit;">message:alertMessage,0);background-color:inherit;">preferredStyle:UIAlertControllerStyle.ActionSheet)
//2命令（样式：退出Cancel，警告Destructive-按钮标题为红色，默认Default）
letcancelAction=UIAlertAction(title:alertCancel,0);background-color:inherit;">style:UIAlertActionStyle.Cancel,0);background-color:inherit;">handler:nil)
letdeleteAction=UIAlertAction(title:"删除",0);background-color:inherit;">style:UIAlertActionStyle.Destructive,153);background-color:inherit;font-weight:bold;">nil)
letarchiveAction=UIAlertAction(title:alertOK,0);background-color:inherit;">style:UIAlertActionStyle.Default,0);background-color:inherit;">handler:{
actionin
print("OK")
})
alertSheet.addAction(cancelAction)
alertSheet.addAction(deleteAction)
alertSheet.addAction(archiveAction)
//3跳转
self.presentViewController(alertSheet,0);background-color:inherit;">animated:true,0);background-color:inherit;">completion:nil)
