我似乎在向页面添加图层控制菜单时遇到了很大的问题。我以为我的代码正确,但是每次尝试添加它时,它都不会显示。我究竟做错了什么?
L.geoJSON(cities).addTo(map);
```code```
var baseMaps = {
"States": statesData
};
var overlayMaps = {
"cities": cities
};
L.control.layers(baseMaps, overlayMaps).addTo(map);
最佳答案
您必须创建一个Layergroup / GeoJsonlayer才能将它们添加到控件中。您不能将普通的geojson对象添加到控制器。
var statesDataLayer = L.geoJSON(statesData); // Don't know if this is also geojson?
var citiesLayer = L.geoJSON(cities);
var baseMaps = {
"States": statesDataLayer // Don't know if this is also geojson?
};
var overlayMaps = {
"cities": citiesLayer
};
L.control.layers(baseMaps, overlayMaps).addTo(map);