Jquery 传单如何找到现有的标记，并删除标记

发布于04月05日

我已经开始使用传单作为开源 map ，http://leaflet.cloudmade.com/

以下jQuery代码将允许在 map 单击时在 map 上创建标记:

 map.on('click', onMapClick);
function onMapClick(e) {
        var marker = new L.Marker(e.latlng, {draggable:true});
        map.addLayer(marker);
        marker.bindPopup("<b>Hello world!</b><br />I am a popup.").openPopup();
};

But there is currently no way for me (in my code) to delete existing markers, or find all the markers i've created on a map and put them into an array. Can anyone help me understand how to do this? Leaflet documentation is available here : http://leaflet.cloudmade.com/reference.html

推荐答案

您必须将"var标记"从函数中删除.然后，稍后您可以访问它:

var marker;
function onMapClick(e) {
        marker = new L.Marker(e.latlng, {draggable:true});
        map.addLayer(marker);
        marker.bindPopup("<b>Hello world!</b><br />I am a popup.").openPopup();
};

然后稍后:

map.removeLayer(marker)

But you can only have the latest marker that way, because each time, the var marker is erased by the latest. So one way to go is to create a global array of marker, and you add your marker in the global array.