预览：import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() let MyButton = UIButton(type: .system) MyButton.frame = CGRect(x: 135, y: 50, width: 160, height: 35) MyButton.setTitle("Button(按钮)", for: .normal) MyButton.configuration = .filled() view.addSubview(MyButton) // Do any additional setup after loading the view. } }