1。style：
mapbox://styles/mapbox/streets-v10
mapbox://styles/mapbox/outdoors-v10
mapbox://styles/mapbox/light-v9
mapbox://styles/mapbox/dark-v9
mapbox://styles/mapbox/satellite-v9
mapbox://styles/mapbox/satellite-streets-v10
mapbox://styles/mapbox/navigation-preview-day-v2
mapbox://styles/mapbox/navigation-preview-night-v2
mapbox://styles/mapbox/navigation-guidance-day-v2
mapbox://styles/mapbox/navigation-guidance-night-v2
