xcode 我如何制作具有步长值的 UISlider
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时间：2020-09-15 08:33:05 来源:igfitidea点击:
How can i make a UISlider with step value
提问by Flemming Ovesen
Hope someone can help me. Im trying to make a UISlider with step value from 1 to 5 in Swift
希望可以有人帮帮我。我试图在 Swift 中制作一个步长值从 1 到 5 的 UISlider
My code are:
我的代码是：
@IBAction func yearChange(sender: UISlider) {
let step: Float = 1
let currentValue = round(sender.value / step) * step
print("\(currentValue) year")
}
回答by Flemming Ovesen
i solved the issue with this code :
我用这段代码解决了这个问题：
let step: Float = 1
let roundedValue = round(sender.value / step) * step
sender.value = roundedValue
回答by Ethan
hope this help
希望这有帮助
let slider = UISlider()
let total: Float = 5
slider.maximumValue = total
slider.minimumValue = 1
@IBAction func yearChange(sender: UISlider) {
let step: Float = 1
let currentValue = round((sender.value - sender.minimumValue) / step)
print("\(currentValue) year")
}
