layerControl = L.control.layers(baseLayers, overLayer,{
collapsed: true
});
layerControl.addTo(map);
layerControl._container.remove();
document.getElementById('layerControllDiv').appendChild(layerControl.onAdd(map));
//console.log(layerControl);
let mapZoom = L.control.zoom({
zoomInTitle: '放大',
zoomOutTitle: '缩小',
position: "bottomright"
});
mapZoom.addTo(map);
mapZoom._container.remove();
document.getElementById('zoomControllDiv').appendChild(mapZoom.onAdd(map));