传单:如何使用removeLayer?
这让我发疯。请参见《 Leaflet》教程,以向地图添加图层控件: L.Icon.Default.imagePath = "Scripts/images"; var mapUrl = 'http://{s}.tile.openstreetmap.se/hydda/full/{z}/{x}/{y}.png'; var secondMap = 'http://{s}.tile.osm.org/{z}/{x}/{y}.png'; var littleton = L.marker([39.61, -105.02]).bindPopup('This is Littleton, CO.'), denver = L.marker([39.74, -104.99]).bindPopup('This is Denver, CO.'), aurora = L.marker([39.73, -104.8]).bindPopup('This is Aurora, CO.'), golden = L.marker([39.77, -105.23]).bindPopup('This is Golden, CO.'); var cities = L.layerGroup([littleton, denver, aurora, golden]); var …