在iOS中检测触摸屏

import UIKit

class TouchDetectionView: UIView {
    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
        if let touch = touches.first {
            let touchPoint = touch.location(in: self)
            print("触摸开始，位置：\(touchPoint)")
        }
    }
    
    override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
        if let touch = touches.first {
            let touchPoint = touch.location(in: self)
            print("触摸移动，位置：\(touchPoint)")
        }
    }
    
    override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
        if let touch = touches.first {
            let touchPoint = touch.location(in: self)
            print("触摸结束，位置：\(touchPoint)")
        }
    }
    
    override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
        print("触摸取消")
    }
}