高德地图 已知两点经纬度坐标 求两点之间距离

   

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>两点间距离</title>
     <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" />
    <style>
        html,body,#container{
            height:100%;
        }
    </style>
</head>
<body>
<div id="container" style="display:none"></div>
<script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=你的高德地图key"></script>
<script type="text/javascript">
    //初始化地图对象，加载地图
    var map = new AMap.Map("container", {
        resizeEnable: true,
        zoom: 13
    });
    var m1 = new AMap.Marker({
        map: map,
        position: new AMap.LngLat(116.368904, 39.923423)
    });
    var m2 = new AMap.Marker({
        map: map,
        position:new AMap.LngLat(116.387271, 39.922501)
    });
    var p1 = m1.getPosition();
    var p2 = m2.getPosition();
    var distance = Math.round(p1.distance(p2));
	console.log('两点距离:',distance);
</script>
</body>
</html>