iOS10从app跳转到WiFi设置界面

let url = URL(string: "App-Prefs:root=WIFI")

        if #available(iOS 10.0, *) {
            UIApplication.shared.open(url!, options: [:], completionHandler: nil)
        } else {
            if UIApplication.shared.canOpenURL(url!) {
                UIApplication.shared.openURL(url!)
            }
        }let url = URL(string: "App-Prefs:root=WIFI")