类名 ArcGisBaseParam ArcGisBaseParam ArcGisCircle ArcGisExtent ArcGisFeatureLayer ArcGisFindTask ArcGisGraphic ArcGisIdentifyTask ArcGisMultipoint ArcGisPoint ArcGisPolygon ArcGisPolyline ArcGisQuery ArcGisServiceBase ArcGisSpatialReference
