CNWebViewController.swift
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//
// CNWebViewController.swift
// metaCode
//
// Created by zx on 2023/9/21.
//
import Foundation
import WebKit
class CNWebViewController:CNLiveBaseViewController ,WKNavigationDelegate{
lazy var webView: WKWebView = {
let webView = WKWebView.init(frame: CGRectMake(0, 0, Width, Height))
webView.scrollView.showsVerticalScrollIndicator = false
webView.scrollView.showsHorizontalScrollIndicator = false
webView.navigationDelegate = self
return webView
}()
var _url:String?
var url:String? {
get{
return _url
}
set{
_url = newValue!
if (_url != ""){
let webUrl: URL! = URL.init(string: _url!)
webView.load(URLRequest.init(url:webUrl))
}
}
}
override func viewDidLoad() {
super.viewDidLoad()
navigationBarHidden = false
self.view.addSubview(self.webView)
webView.snp.makeConstraints { make in
make.top.equalTo(get_system_nav_height())
make.left.right.bottom.equalToSuperview()
}
}
// MARK: - WKWebViewDelegate
// 页面开始加载时调用
func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
print("didStartProvisionalNavigation")
}
// 当内容开始返回时调用
func webView(_ webView: WKWebView, didCommit navigation: WKNavigation!) {
print("didCommit")
}
// 页面加载完成之后调用
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
print("didFinish")
titleName = webView.title!
}
// 页面加载失败时调用
func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
print("didFailProvisionalNavigation")
}
// 接收到服务器跳转请求之后调用
func webView(_ webView: WKWebView, didReceiveServerRedirectForProvisionalNavigation navigation: WKNavigation!) {
print("didReceiveServerRedirectForProvisionalNavigation")
}
// 在收到响应后，决定是否跳转 -> 默认允许
func webView(_ webView: WKWebView, decidePolicyFor navigationResponse: WKNavigationResponse, decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void) {
print("decidePolicyFor")
//允许跳转
decisionHandler(.allow)
//不允许跳转
// decisionHandler(.cancel)
}
// 在发送请求之前，决定是否跳转 -> 默认允许
@available(iOS 13.0, *)
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, preferences: WKWebpagePreferences, decisionHandler: @escaping (WKNavigationActionPolicy, WKWebpagePreferences) -> Void) {
decisionHandler(.allow, preferences)
}
}