SwiftUI: WebView不加载特定页面

import SwiftUI
import WebKit

class WebViewDelegate: NSObject, WKNavigationDelegate {
    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        guard let url = navigationAction.request.url else {
            decisionHandler(.cancel)
            return
        }
        
        // 检查URL是否是特定页面，如果是则取消加载
        if url.absoluteString == "https://example.com/specific-page" {
            decisionHandler(.cancel)
        } else {
            decisionHandler(.allow)
        }
    }
}

struct ContentView: View {
    let webViewDelegate = WebViewDelegate()
    
    var body: some View {
        WebView(url: URL(string: "https://example.com")!)
            .navigationDelegate(webViewDelegate)
    }
}

struct WebView: UIViewRepresentable {
    let url: URL
    
    func makeUIView(context: Context) -> WKWebView {
        let webView = WKWebView()
        webView.load(URLRequest(url: url))
        return webView
    }
    
    func updateUIView(_ uiView: WKWebView, context: Context) {}
}