uistepper

问题 I am trying to work with UIStepper to increment or decrement an integer, but both "-" and "+" increase the integer! How can I recognize the "+" and "-" button? In the UIStepper header file there are two UIButton s: UIButton *_plusButton; UIButton *_minusButton; for example : - (IBAction)changeValue:(id)sender { UIStepper *stepper = (UIStepper *) sender; stepper.maximumValue = 10; stepper.minimumValue = 0; if (stepper) { integer++; [label setText:[NSString stringWithFormat:@"%d",integer]]; }

问题 Another Swift beginner here. I simply want a Stepper in each of my TableView cells that increments a label in the same cell. I have found a couple of questions on this topic, but they include other elements and I haven't been able to extract the basic concept. Swift Stepper Action that changes UITextField and UILabel within same cell Stepper on tableview cell (swift) So far I have connected IBOutlets for my Label and Stepper, as well as an IBAction for my Stepper in my cell class. class