[Quote=引用 1 楼 lvxianda 的回复:]
箭头要自己填写的
// 单个的
function arrowHead(p1,p2)
{
var dir = bearing(p1,p2);
var dir = Math.round(dir/3) * 3;
while (dir >= 120) {dir -= 120;}
//多个箭头
function midArrows(points)
{
for (var i=1; i < points.length; i++)
{
var p1=points[i-1];
var p2=points[i];
var dir = bearing(p1,p2);
var dir = Math.round(dir/3) * 3;
while (dir >= 120) {dir -= 120;}
var degreesPerRadian = 180.0 / Math.PI;
function bearing( from, to )
{
var lat1 = from.latRadians();
var lon1 = from.lngRadians();
var lat2 = to.latRadians();
var lon2 = to.lngRadians();