百度地图点聚合-设置lable显示

MarkerClusterer.js 修改

Cluster.prototype.remove = function(){
        for (var i = 0, m; m = this._markers[i]; i++) {
                var tmplabel = this._markers[i].getLabel();
                this._markers[i].getMap() && this._map.removeOverlay(this._markers[i]);
                this._markers[i].setLabel(tmplabel);
 
        }
        this._map.removeOverlay(this._clusterMarker);
        this._markers.length = 0;
        delete this._markers;
    }