iOS wkwebview https 加载不受信用的站点

iOS 9.0以上直接设置WKNavigationDelegate代理

    func webView(_ webView: WKWebView, didReceive challenge: URLAuthenticationChallenge,

                 completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {

        let cred = URLCredential.init(trust: challenge.protectionSpace.serverTrust!)

        completionHandler(.useCredential, cred)

    }

　　引用一下

self.wk.navigationDelegate = self

　　搞定，成功加载证书错误的站点