为WKWebView链接设置UIContextMenu

class ViewController: UIViewController {
    var webView: WKWebView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 创建并配置WKWebView
        let webConfiguration = WKWebViewConfiguration()
        webView = WKWebView(frame: .zero, configuration: webConfiguration)
        webView.navigationDelegate = self
        
        // 创建并配置UIContextMenuInteraction对象
        let interaction = UIContextMenuInteraction(delegate: self)
        webView.addInteraction(interaction)
        
        // 加载网页
        let url = URL(string: "https://example.com")
        let request = URLRequest(url: url!)
        webView.load(request)
        
        // 将WKWebView添加到视图中
        view = webView
    }
}

extension ViewController: WKNavigationDelegate {
    // 实现WKNavigationDelegate的方法
    // ...
}

extension ViewController: UIContextMenuInteractionDelegate {
    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
        guard let linkURL = webView.linkURL else {
            return nil
        }
        
        // 创建上下文菜单的选项
        let openAction = UIAction(title: "Open Link", image: UIImage(systemName: "link")) { action in
            // 执行打开链接的操作
            if let url = linkURL.url {
                UIApplication.shared.open(url)
            }
        }
        
        // 创建并返回UIContextMenuConfiguration对象
        return UIContextMenuConfiguration(identifier: nil, previewProvider: nil) { _ in
            UIMenu(title: "", children: [openAction])
        }
    }
}