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ASP.NET Google Maps Javascript API V3 实战基础篇一不同种类路线查询

2010-11-15 16:22 411 查看

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Direction_Driver_Mode.aspx.cs"
Inherits="Samples.Services.Direction_Driver_Mode" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>不同种类路线查询</title>
<style type="text/css">
#maps
{
height: 450px;
}
</style>

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&language=zh-CN"></script>

<script language="javascript" type="text/javascript">

var directionDisplay; //申明路线显示对象
var directionsService = new google.maps.DirectionsService(); //查询服务
var map;
var haight = new google.maps.LatLng(37.7699298, -122.4469157);
var oceanBeach = new google.maps.LatLng(37.7683909618184, -122.51089453697205);
function initialize() {
directionDisplay = new google.maps.DirectionsRenderer();
var options = {
zoom: 14, mapTypeId: google.maps.MapTypeId.ROADMAP, center: haight
};
map = new google.maps.Map(document.getElementById("maps"), options);
directionDisplay.setMap(map);
calcRoute(); //计算路线
}
//根据查询路线类型获取相应路线
function calcRoute() {
var selectedMode = document.getElementById("mode").value;
var request = {
origin: haight, destination: oceanBeach, travelMode: google.maps.DirectionsTravelMode[selectedMode]
};
directionsService.route(
request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionDisplay.setDirections(response);
}
}
);
}
google.maps.event.addDomListener(window, "load", initialize);
</script>

</head>
<body>
<form id="form1" runat="server">
<div>
<b>Mode of Travel: </b>
<select id="mode" onchange="calcRoute();">
<option value="DRIVING">Driving</option>
<option value="WALKING">Walking</option>
<option value="BICYCLING">Bicycling</option>
</select>
</div>
<div id="maps">
</div>
</form>
</body>
</html>

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