目录:[Swift]Xcode实际操作 本文将演示使用视图的长按手势,完成视图的交互功能. import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. //初始化一个原点在(32,80),尺寸为(256,2