如何在mapbox中添加自定义图标?
var map = L.mapbox.map('map', 'mapbox.streets').setView([0, 0], 1);
var geojson = { type: 'LineString', coordinates: value};
var start = value[0];
var end = value[value.length-1];
geojson.coordinates.push((start,end).slice());
// Add this gener