类型为"MKMapItem"的值在 Swift 3 中没有成员"网站"

Question

我正在创建一个具有注释视图的应用程序，当您单击注释视图时，它不会在视图控制器上显示注释视图网站 URL，DetailsView请查看我的代码并通过显示注释视图位置的网站 URL 来帮助我解决它。

这是我的代码：

import UIKit
import MapKit
protocol UserLocationDelegate {
    func userLocation(latitude: Double, longitude: Double)
}
class NearMeMapViewController: ARViewController, ARDataSource, MKMapViewDelegate, CLLocationManagerDelegate {
    var nearMeIndexSelected = NearMeIndexTitle()
    var locationManager: CLLocationManager!
    var nearMeARAnnotations = [ARAnnotation]()
    var nearMeRequests = [NearMeRequest]()
    var delegate: UserLocationDelegate!
    var place: Place?
    override func viewDidLoad() {
        super.viewDidLoad()
        self.title = nearMeIndexSelected.indexTitle
        self.locationManager = CLLocationManager()
        self.locationManager.delegate = self
        self.locationManager.desiredAccuracy = kCLLocationAccuracyBest
        self.locationManager.distanceFilter = kCLHeadingFilterNone
        self.locationManager.requestWhenInUseAuthorization()
        self.locationManager.startUpdatingLocation()
        self.dataSource = self
        self.headingSmoothingFactor = 0.05
        self.maxVisibleAnnotations = 30
        getNearMeIndexSelectedLocation()
    }
    func getNearMeIndexSelectedLocation() {
        let nearMeRequest = MKLocalSearchRequest()
        nearMeRequest.naturalLanguageQuery = nearMeIndexSelected.indexTitle
        let nearMeregion = MKCoordinateRegionMakeWithDistance(self.locationManager.location!.coordinate, 250, 250)
        nearMeRequest.region = nearMeregion
        let nearMeSearch = MKLocalSearch(request: nearMeRequest)
        nearMeSearch.start{(response: MKLocalSearchResponse?, error: Error?) in
            for requestItem in (response?.mapItems)! {
                let nearMeIndexRequest = NearMeRequest()
                nearMeIndexRequest.name = requestItem.name
                nearMeIndexRequest.coordinate = requestItem.placemark.coordinate
                nearMeIndexRequest.address = requestItem.placemark.addressDictionary?["FormattedAddressLines"] as! [String]
                nearMeIndexRequest.street = requestItem.placemark.addressDictionary?["Street"] as! String!
                nearMeIndexRequest.city = requestItem.placemark.addressDictionary?["City"] as! String
                nearMeIndexRequest.state = requestItem.placemark.addressDictionary?["State"] as! String
                nearMeIndexRequest.zip = requestItem.placemark.addressDictionary?["ZIP"] as! String
                nearMeIndexRequest.phone = requestItem.phoneNumber
                nearMeIndexRequest.website = requestItem.website // This is where the error is at.
                self.nearMeRequests.append(nearMeIndexRequest)
                print(requestItem.placemark.name)
            }
            for nearMe in self.nearMeRequests {
                let annotation = NearMeAnnotation(nearMeRequest: nearMe)
                self.nearMeARAnnotations.append(annotation)
                self.setAnnotations(self.nearMeARAnnotations)
            }
        }
    }
    func ar(_ arViewController: ARViewController, viewForAnnotation: ARAnnotation) -> ARAnnotationView {
        let annotationView = NearMeARAnnotationView(annotation: viewForAnnotation)
        annotationView.frame = CGRect(x: 0, y: 0, width: 150, height: 50)
        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(self.tapBlurButton(_:)))
        annotationView.addGestureRecognizer(tapGesture)
        return annotationView
    }
    func tapBlurButton(_ sender: UITapGestureRecognizer) {
        if let annotationView = sender.view as? NearMeARAnnotationView {
            if let detailsVc = storyboard?.instantiateViewController(withIdentifier: "DetailsViewController") as? DetailsViewController {
                detailsVc.annotation = annotationView.annotation
                detailsVc.place = Place(location: (locationManager.location)!,
                                        reference: "",
                                        name: annotationView.annotationNameLabel.text ?? "",
                                        address: annotationView.annotationAddressLabel.text ?? "",
                                        phoneNumber: annotationView.phoneNumber.text ?? "",
                                        website: annotationView.website.text ?? "")
                self.navigationController?.pushViewController(detailsVc, animated: true)
            }
        }
    }
}

Answer 1

MKMapItem 上没有网站属性。但是，有一个url属性，该属性应包含与该位置关联的网站。

以下是 Apple 的文档对地图项的 url 属性的描述。

如果存在与该位置关联的相关 URL(例如该位置的企业的 URL(，请使用此属性指定该值。

您的代码行：

nearMeIndexRequest.website = requestItem.website

应改为：

nearMeIndexRequest.website = requestItem.url.absoluteString