文档介绍：GoogleMapsJavaScriptAPIV3Map:MapOptionsMapTypeIdMapTypeControlOptionsMapTypeControlStyleNavigationControlOptionsNavigationControlStyleScaleControlOptionsScaleControlStyleControlPositionMapPanesMapCanvasProjectionMarker:MarkerOptionsMarkerImageMarkerShapePolyline:PolylineOptionsPolygon:PolygonOptionsInfoWindow:InfoWindowOptionsGeocoder:ponentGeocoderGeometryGeocoderLocationTypeDirectionsRenderer:DirectionsRendererOptionsDirectionsService:DirectionsRequestDirectionsTravelModeDirectionsUnitSystemDirectionsWaypointDirectionsStatusDirectionsResultDirectionsRouteDirectionsLegDirectionsStepDirectionsDistanceDirectionsDurationElevationService:LocationElevationRequestPathElevationRequestElevationResultElevationStatus叠加层和地图类型:OverlayViewMapTypeMapTypeRegistryProjectionImageMapTypeImageMapTypeOptionsStyledMapTypeStyledMapTypeOptionsMapTypeStyleMapTypeStyleFeatureTypeMapTypeStyleElementTypeMapTypeStylerRectangleRectangleOptionsCircleCircleOptionsGroundOverlayGroundOverlayOptions图层:BicyclingLayerFusionTablesLayerFusionTablesLayerOptionsFusionTablesMouseEventFusionTablesCellKmlLayerKmlLayerOptionsKmlLayerMetadataKmlMouseEventKmlFeatureDataKmlAuthorTrafficLayer街景视图:StreetViewPanoramaStreetViewPanoramaOptionsStreetViewAddressControlOptionsStreetViewLinkStreetViewPovStreetViewPanoramaDataStreetViewLocationStreetViewTileDataStreetViewServiceStreetViewStatus事件:MapsEventListener事件MouseEventBase:LatLngLatLngBoundsPointSizeMVC:MVCObjectMVCArrayMap类此类扩展了MVCObject。构造函数构造函数说明Map(mapDiv:Node,opts?:MapOptions)在指定的HTML容器中创建新的地图,该容器通常是一个DIV元素。方法方法返回值说明fitBounds(bounds:LatLngBounds)None设置地图,使其与指定范围相符。getBounds()LatLngBounds返回当前视口的纬度/经度范围。如果还未启动地图(即mapType仍为Null),或者没有设置中心和缩放,则结果为Null。getCenter()LatLnggetDiv()NodegetMapTypeId()MapTypeIdgetProjection()Projection传回当前的Projection。如果还未启动地图(即mapType仍为Null),则结果为Null。侦听projection_changed并检查它的值以确保它的值不为Null。getStreetView()StreetViewPanorama将默认StreetViewPanorama范围传回到地图,该范围可能是嵌入在地图中的默认全景图,也可能是使用setStreetView()设置的全景图。对地图的streetViewControl所做的更改将反映在此类范围全景图的显示中。g