I have a UIPickerView. I want a done button on top of the pickerview and i want to dismiss the picker view on click of the done button. Can u please help me on this?I have a UIPickerView. I want a done button on
阅读背景：
如何在PickerView上添加一个按钮以及如何在单击该按钮时关闭PickerView？
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