ios - 如何从 WKWbView 获取标题完成加载

func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) { let allHTTPHeaderFields = navigationAction.request.allHTTPHeaderFields ?? [:] for (key, value) in allHTTPHeaderFields { print("key:", key, "value:", value) } if navigationAction.navigationType == .linkActivated { if let url = navigationAction.request.url, let host = url.host, !host.hasPrefix("www.google.com"), UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url) print(url) print("Redirected to browser. No need to open it locally") decisionHandler(.cancel) } else { print("Open it locally") decisionHandler(.allow) } } else { print("not a user click") decisionHandler(.allow) } }

import UIKit import WebKit class ViewController: UIViewController, WKNavigationDelegate { // MARK: - IBOutlet @IBOutlet weak var webView: WKWebView! // MARK: - Life cycle override func viewDidLoad() { super.viewDidLoad() webView.navigationDelegate = self } override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) let urlStr = "https://www.google.com/" if let url = URL(string: urlStr) { let request = URLRequest(url: url) webView.load(request) //webView.allowsBackForwardNavigationGestures = false //webView.navigationDelegate = self } } func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) { let request = navigationAction.request if let host = navigationAction.request.url?.host { if host == "www.google.com" { if let headers = request.allHTTPHeaderFields { print("Google Headers: \(headers)") } else { print("Nope, sir") } } else if host == "www.apple.com" { if let headers = request.allHTTPHeaderFields { print("Apple Headers: \(headers)") } else { print("Nope, sir") } } } decisionHandler(.allow) } }