在`UIImageView` (Swift)中加载网站预览

import UIKit
import WebKit

class ViewController: UIViewController, WKNavigationDelegate {
    
    @IBOutlet weak var imageView: UIImageView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 创建WKWebView实例
        let webView = WKWebView(frame: view.bounds)
        webView.navigationDelegate = self
        
        // 加载指定的网址
        let url = URL(string: "https://www.example.com")!
        let request = URLRequest(url: url)
        webView.load(request)
    }
    
    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
        // 将WKWebView的内容渲染为图像
        let renderer = UIGraphicsImageRenderer(size: webView.bounds.size)
        let image = renderer.image { _ in
            webView.drawHierarchy(in: webView.bounds, afterScreenUpdates: true)
        }
        
        // 将图像设置为UIImageView的图像
        imageView.image = image
    }
}