leaflet.PruneCluster 聚合.

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leafletView = new PruneClusterForLeaflet();
$.each(data, function (index, item) {
    var m = new PruneCluster.Marker(item.x, item.y, item);
    leafletView.RegisterMarker(m);
});
map.addLayer(leafletView);

data             //数据源
item.x,item.y    //经纬度
map              //leaflet地图对象

Leaflet.PruneCluster文档