ccic-web/packages/component.amap/lib/mapMarker/cluster.js

export default function set_cluster(map_obj, markers = [], clusterEvent = [], icon, district, circle) {
    if (typeof map_obj === 'undefined') {
        return;
    }
    map_obj.plugin(['AMap.MarkerClusterer'], function () {
        if (map_obj.cluster) {
            map_obj.cluster.clearMarkers();
        }
        const styles = [{ url: icon, size: { width: 42, height: 42 } }];
        const sts = styles.map((item) => {
            let obj = {
                url: item.url,
                size: new AMap.Size(42, 42),
            };
            obj.offset = new AMap.Pixel(-10, -21);
            obj.textColor = '#fff';
            return obj;
        });
        let cluster = new AMap.MarkerClusterer(map_obj, markers, {
            gridSize: 80,
            styles: sts,
        });
        clusterEvent.forEach(function (event) {
            cluster.on(event['type'], function (currentObj) {
                event['eventHandle'](this, currentObj);
            });
        });
        //聚合打点
        cluster.addMarkers(markers);
        map_obj.cluster = cluster;
        // 坐标点自适应
        if (!district || !circle) {
            map_obj.setFitView(markers);
        }
        // 清除坐标点
        map_obj.removeMarkers = function () {
            cluster.clearMarkers();
        };
    });
}