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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="Scripts/jquery-1.8.3.min.js"></script>
<script type="text/javascript" src="http://ditu.google.cn/maps/api/js?v=3.exp&sensor=true&language=cn&libraries=weather,places "></script>
<script type="text/javascript">
var map;// 地图对象
var directionsService = new google.maps.DirectionsService();
var directionDisplay;
var path = null, timer = 0, index = 0, marker = null;
function init() {
directionsDisplay = new google.maps.DirectionsRenderer();
var coor = new google.maps.LatLng(0, 0);
map = new google.maps.Map(document.getElementById("map"), { zoom: 14, center: coor, mapTypeControl: false, mapTypeId: google.maps.MapTypeId.ROADMAP });
directionsDisplay.setMap(map);
var request = {
origin: "广州白云国际机场",
destination: "深圳湾公园",
optimizeWaypoints: true,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
// 获取从“广州白云国际机场”到“深圳湾公园”的线路
directionsService.route(request, function (response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
path = response.routes[0].overview_path;
if (path) {
timer = window.setInterval(function () {
if (!marker) {
marker = new google.maps.Marker({ position: path[index++], map: map });
} else {
if (index < path.length) {
marker.setPosition(path[index++]);
} else {
index = 0;
window.clearInterval(timer);
}
}
}, 30);
}
}
});
}
</script>
</head>
<body onload="init()">
<div id="map" style="width:800px; height:800px;"></div>
</body>
</html>
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原文地址：http://www.cnblogs.com/Ivan-v/p/4837737.html
