我正在尝试像这样定义一堆Leaflet多边形:varpoly=newL.Polygon([[10.1840229,36.8906981],[10.1840393,36.8906669],[10.1840989,36.8906868],[10.1840826,36.890718],[10.1840229,36.8906981]],{'id':'someId'});然后我将这些多边形分组到一个GroupLayer中:vargroup=newL.LayerGroup([poly1,poly2,...,polyn]);group.addTo(map);我可以使用group.getLayer()