我是新手。我想要做的是，创建 2 个标记（它们是可拖动的），它们之间会有网格，比如http://prntscr.com/4nx9f3。当我更改标记之一时，应该更改网格。我正在尝试用折线绘制。顺便说一句，我无法获得纬度或经度marker1.getPosition().lat()。谢谢你的帮助...
我所有的代码：
<!DOCTYPE html>
<html>
<head>
<title>Simple Map</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body, #map-canvas {
height: 100%;
margin: 0px;
padding: 0px
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script>
var map;
var marker1;
var marker2;
function initialize() {
var mapOptions = {
zoom: 10,
center: new google.maps.LatLng(50.3, 44.3)
};
map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
marker1 = new google.maps.Marker({
position: new google.maps.LatLng(50.1, 44.1),
map: map,
draggable: true,
title: 'marker1 '
});
marker2 = new …