使用GeoJSON与Leaflet：GeoJSON图层

 L.geoJSON(geojsonFeature).addTo(map);
var myLines = [{
    "type": "LineString",
    "coordinates": [[-100, 40], [-105, 45], [-110, 55]]
}, {
    "type": "LineString",
    "coordinates": [[-105, 40], [-110, 45], [-115, 55]]
}];