Marker Clusterer Plus在悬停时更改图标

Question

如何动态更改用于Google Maps V3的Marker Clusterer Plus中特定群集的图标？

标记似乎根本没有暴露任何方法来修改它们.我需要做这样的事情(或等价物).

google.maps.event.addListener(markerCluster, "mouseover", function (cluster) {
  cluster.setIcon(hoverIcon);
});
google.maps.event.addListener(markerCluster, "mouseout", function (cluster) {
  cluster.setIcon(normalIcon);
});

Answer 1

有一个代表集群的div元素的引用.这个div的第一个孩子是img-element,改变了这个图像的src:

    google.maps.event.addListener(markerCluster,'mouseover',function(c){
      c.clusterIcon_.div_.firstChild.src='hoverIconPath'});

    google.maps.event.addListener(markerCluster,'mouseout',function(c){
      c.clusterIcon_.div_.firstChild.src='normalIconPath'});