如何计算步行方向模式中两点之间的距离？

Question

与此功能类似，计算驾驶方向模式中两点之间的距离：

function calcDistance(p1, p2) {
  return (google.maps.geometry.spherical.computeDistanceBetween(p1, p2) / 1000).toFixed(2);
}

如何计算步行方向模式中两点之间的距离？

Answer 1

使用方向服务的计算方法与驾驶，步行，骑车相同。这是一个基本的例子：

directionsService.route(request, function(result, status) {
if (status == google.maps.DirectionsStatus.OK) {
    path =  result.routes[0].overview_path;
    var sumKM = 0;
    var myroute = result.routes[0];
    for (var i = 0; i < myroute.legs.length; i++) {
        sumKM += myroute.legs[i].distance.value;  //legs = Abschnitte from point to point
    }
    sumKM = sumKM / 1000;
    //console.log("Route calculated, write the route")
    //writeRoute(path, sumKM, index)
} else if (status == google.maps.DirectionsStatus.ZERO_RESULTS) {
    alert("Could not find a route between these points");
} else {
    alert("Directions request failed! Reset Marker!");
}
});