我编写了一个 PHP 和 javaScript 代码,它将从数据库中检索纬度和经度信息,并根据适当的位置在谷歌地图上放置标记(使用纬度和经度值)。这工作正常。
我需要加入这些标记并在地图上绘制路线。怎么做。
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<style type="text/css">
body { font: normal 10pt Helvetica, Arial; }
#map { width: 350px; height: 300px; border: 0px; padding: 0px; }
</style>
<script src="http://maps.google.com/maps/api/js?v=3&sensor=false" type="text/javascript"></script>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript">
var icon = new google.maps.MarkerImage("http://maps.google.com/mapfiles/ms/micons/blue.png",
new google.maps.Size(32, 32), new google.maps.Point(0, 0),
new google.maps.Point(16, 32));
var center = null;
var map = null;
var currentPopup;
var bounds = new google.maps.LatLngBounds();
function addMarker(lat, lng, info)
{
var pt = new google.maps.LatLng(lat, lng);
bounds.extend(pt);
var marker = new google.maps.Marker(
{
position: pt,
icon: icon,
map: map
});
var popup = new google.maps.InfoWindow(
{
content: info,
maxWidth: 300
});
google.maps.event.addListener(marker, "click", function()
{
if (currentPopup != null)
{
currentPopup.close();
currentPopup = null;
}
popup.open(map, marker);
currentPopup = popup;
});
google.maps.event.addListener(popup, "closeclick", function()
{
map.panTo(center);
currentPopup = null;
});
}
function initMap()
{
map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(0, 0),
zoom: 14,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false,
mapTypeControlOptions:
{
style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR
},
navigationControl: true,
navigationControlOptions:
{
style: google.maps.NavigationControlStyle.SMALL
}
});
$.getJSON('googlescript.php', function(items)
{
for (var i = 0; i < items.length; i++) {
(function(item) {
addMarker(item.lat, item.long, '<b>' + item.name + '</b><br />' + item.desc);
})(items[i]);
}
});
center = bounds.getCenter();
map.fitBounds(bounds);
}
</script>
</head>
<body onload="initMap()" style="margin:0px; border:0px; padding:0px;">
<div id="map"></div>
</html>