ios - 在 WKWebview 中的 Safari 中打开新选项卡

Question

我在 Swift 中有一个 WKwebview，我正在尝试使在网络浏览器的新选项卡中打开的链接在浏览器 safari mobile 中打开并单击，我是这个领域的新手，不太了解，我的代码是这样的:

ViewController.swift

import UIKit
import WebKit

class ViewController: UIViewController {

    @IBOutlet weak var WebView: WKWebView!
    override func viewDidLoad() {
        super.viewDidLoad()

        let url = URL(string: "https://www.sitemercado.com.br/frade/")
        let request = URLRequest(url: url!)
        WebView.load(request)
    }

    // Verifica Conexao

    override func viewDidAppear(_ animated: Bool) {
        if CheckInternet.Connection() {

        } else {
            self.Alert(Message: "Você está off-line, tente novamente.")
        }
    }

    func Alert (Message: String) {
        let alert = UIAlertController(title: "Alert", message: Message, preferredStyle: UIAlertControllerStyle.alert)
        alert.addAction(UIAlertAction(title: "ok", style: UIAlertActionStyle.default, handler: nil))
        self.present(alert, animated: true, completion: nil)
    }
}

CheckInternet.swift

import Foundation
import SystemConfiguration

public class CheckInternet {

    class func Connection() -> Bool {

        var zeroAddress = sockaddr_in(sin_len: 0, sin_family: 0, sin_port: 0, sin_addr: in_addr(s_addr: 0), sin_zero: (0, 0, 0, 0, 0, 0, 0, 0))
        zeroAddress.sin_len = UInt8(MemoryLayout.size(ofValue: zeroAddress))
        zeroAddress.sin_family = sa_family_t(AF_INET)

        let defaultRouteReachability = withUnsafePointer(to: &zeroAddress) {
            $0.withMemoryRebound(to: sockaddr.self, capacity: 1) {zeroSockAddress in
                SCNetworkReachabilityCreateWithAddress(nil, zeroSockAddress)
            }
        }

        var flags: SCNetworkReachabilityFlags = SCNetworkReachabilityFlags(rawValue: 0)
        if SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) == false {
            return false
        }

        // Working for Cellular and WIFI

        let isReachable = (flags.rawValue & UInt32(kSCNetworkFlagsReachable)) != 0
        let needsConnection = (flags.rawValue & UInt32(kSCNetworkFlagsConnectionRequired)) != 0
        let ret = (isReachable && !needsConnection)

        return ret
    }
}

另外，我想在没有互联网的情况下进入应用程序时再次按下尝试按钮时进行处理，我已经进行了互联网检查，但是单击重试时在 webview 中重新加载的方式

Answer 1

尝试通过这种方式更改您的上述代码(首先检查互联网连接，如果未连接，请发出您想要的警报)

import UIKit
import WebKit

class ViewController: UIViewController {

    @IBOutlet weak var WebView: WKWebView!
    override func viewDidLoad() {
        super.viewDidLoad()

        if CheckInternet.Connection() {
            let url = URL(string: "https://www.sitemercado.com.br/frade/")
            let request = URLRequest(url: url!)
            WebView.load(request)
        } else {
            self.Alert(Message: "Você está off-line, tente novamente.")
        }
    }

    func Alert (Message: String) {
        let alert = UIAlertController(title: "Alert", message: Message, preferredStyle: UIAlertControllerStyle.alert)
        alert.addAction(UIAlertAction(title: "ok", style: UIAlertActionStyle.default, handler: nil))
        self.present(alert, animated: true, completion: nil)
    }
}