WKWebView与UIWebView

你 可以 只需创建并添加 WKWebView 通过代码。

如果您想在故事板中为布局目的提供视觉表现,这里有一种方法。

添加标准 UIView 在故事板的视图控制器中。这将充当web视图的“持有者”。将其连接到 IBOutlet viewDidLoad 添加的实例 作为该“holder”视图的子视图。

class MyViewController: UIViewController, WKNavigationDelegate {

    // standard UIView, added in Storyboard
    @IBOutlet weak var webViewHolder: UIView!

    // instance of WKWebView
    let wkWebView: WKWebView = {
        let v = WKWebView()
        v.translatesAutoresizingMaskIntoConstraints = false
        return v
    }()

    override func viewDidLoad() {

        super.viewDidLoad()

        // add the WKWebView to the "holder" UIView
        webViewHolder.addSubview(wkWebView)

        // pin to all 4 edges
        wkWebView.topAnchor.constraint(equalTo: webViewHolder.topAnchor, constant: 0.0).isActive = true
        wkWebView.bottomAnchor.constraint(equalTo: webViewHolder.bottomAnchor, constant: 0.0).isActive = true
        wkWebView.leadingAnchor.constraint(equalTo: webViewHolder.leadingAnchor, constant: 0.0).isActive = true
        wkWebView.trailingAnchor.constraint(equalTo: webViewHolder.trailingAnchor, constant: 0.0).isActive = true

        // load a URL into the WKWebView
        if let url = URL(string: "https://google.com") {
            wkWebView.load(URLRequest(url: url))
        }

        // from here on out, use wkWebView just as if you had added it in your storyboard

    }

}