map - 如何找到openlayers中两个标记之间的距离？

Question

嗨，我想知道如何找到 openlayers 中两个标记之间的距离。

var distance = distanceBetweenMarkers(latLon1, latLon2){
//code to find the distance between latLon1, latLon2

}

请帮帮我...

score 4 · Accepted Answer

从[1] 中创建点LonLat并调用distanceTo方法。Geometry.Point

p1 = new OpenLayers.Geometry.Point(latLon1.lon,latLon1.lat);
p2 = new OpenLayers.Geometry.Point(latLon2.lon,latLon2.lat);
len = p1.distanceTo(p2);

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