Swift4 选择UIAlertView

Question

let alrtView = ChoiceAlrtView()
@IBAction func OutLogin(_ sender: UIButton) {
alrtView.showChoice(str: "确认退出吗")
alrtView.resualtBlock = {(isTrue : Bool) in
if isTrue {
print("是")
} else {
print("否")
}
}
}

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