相当于Android setOnPolylineClickListener的Mapbox iOS

import Mapbox

class ViewController: UIViewController, MGLMapViewDelegate {
    var mapView: MGLMapView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        mapView = MGLMapView(frame: view.bounds)
        mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
        mapView.delegate = self
        view.addSubview(mapView)
        
        // 添加折线
        let coordinates = [
            CLLocationCoordinate2D(latitude: 37.7749, longitude: -122.4194),
            CLLocationCoordinate2D(latitude: 34.0522, longitude: -118.2437),
            CLLocationCoordinate2D(latitude: 32.7157, longitude: -117.1611)
        ]
        let polyline = MGLPolyline(coordinates: coordinates, count: UInt(coordinates.count))
        mapView.addAnnotation(polyline)
        
        // 添加手势识别器
        let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTap(sender:)))
        mapView.addGestureRecognizer(tapGestureRecognizer)
    }
    
    @objc func handleTap(sender: UITapGestureRecognizer) {
        if sender.state == .ended {
            let point = sender.location(in: mapView)
            let coordinate = mapView.convert(point, toCoordinateFrom: mapView)
            
            // 判断点击的是否是折线
            if let polyline = mapView.visibleFeatures(at: point, styleLayerIdentifiers: [MGLPolylineFeatureIdentifier]).first as? MGLPolylineFeature {
                // 处理折线点击事件
                // 在这里可以执行你想要的操作，比如弹出信息窗口等
                print("Polyline clicked: \(polyline)")
            }
        }
    }
    
    // MGLMapViewDelegate方法，用于绘制折线
    func mapView(_ mapView: MGLMapView, strokeColorForShapeAnnotation annotation: MGLShape) -> UIColor {
        if annotation is MGLPolyline {
            return .blue
        }
        return mapView.tintColor
    }
}