如果要启用上下文菜单,需要创建一个 UIContextMenuInteraction 并将其添加给某个触发的 UIView,然后指定 delegate,实现代理方法。 override func viewDidLoad() { super.viewDidLoad() // 创建UIContextMenuInteraction let interaction = UIContextMenuInteraction(delegate: self) // 添加UIContextMenuInteraction extension ViewController: UIContextMenuInteractionDelegate { func contextMenuInteraction(_ interaction: UIContextMenuInteraction
如果要启用上下文菜单,需要创建一个UIContextMenuInteraction并将其添加给某个触发的 UIView,然后指定 delegate,在代理方法创建 UIMenu 并返回UIContextMenuConfiguration override func viewDidLoad() { super.viewDidLoad() // 创建UIContextMenuInteraction let interaction = UIContextMenuInteraction(delegate: self) // 添加UIContextMenuInteraction extension ViewController: UIContextMenuInteractionDelegate { func contextMenuInteraction(_ interaction: UIContextMenuInteraction