Js 对 Google Maps API 实际应用
相俊迈
谷歌地图api的实际应用地址：
https://developers.google.com/maps/documentation/javascript/tutorial?hl=zh-cn
具体代码如下：
方法一：
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
html { height: 100% }
body { height: 100%; margin: 0; padding: 0 }
#map_canvas { height: 100% }
</style>
<script type="text/javascript"
src="http://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&sensor=SET_TO_TRUE_OR_FALSE">
</script>
<script type="text/javascript">
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(-34.397, 150.644),
zoom: 8,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("map_canvas"),
mapOptions);
}
</script>
</head>
<body onload="initialize()">
<div id="map_canvas" style="width:100%; height:100%"></div>
</body>
</html>方法二如下：<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>搜索地图</title>
<link href="../../Content/map/default.css" rel="stylesheet" />
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script src="../../Content/map/map.js"></script>
</head>
<body οnlοad="initialize()">
<div id="show">
<input id="address" type="textbox">
<input id="btnSearch" type="button" value="搜索" οnclick="codeAddress()">
</div>
<div id="map_canvas" style="height: 90%; top: 30px"></div>
<div id="foot"></div>
</body>
</html>
map.js代码如下：var geocoder;
var map;
function initialize() {
geocoder = new google.maps.Geocoder();
var latlng = new google.maps.LatLng(31.23, 120.57);//昆山（北纬31.23 东经120.57）
var myOptions = {
zoom: 6,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
}
function codeAddress() {
var address = document.getElementById("address").value;
geocoder.geocode({ 'address': address }, function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
map.setCenter(results[0].geometry.location);
var marker = new google.maps.Marker({
map: map,
position: results[0].geometry.location
});
} else {
alert("搜索失败，原因如下: " + status);
}
});
}
default.css代码如下：html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map-canvas, #map_canvas {
height: 100%;
}
@media print {
html, body {
height: auto;
}
#map_canvas {
height: 650px;
}
}
#show {
text-align: center;
padding-top: 25px;
}
#Textbox1 {
width: 350px;
height: 35px;
}
#btnSearch {
color: white;
background-color: blue;
width: 120px;
height: 40px;
}
#foot {
position: fixed;
bottom: 0px;
width: 100%;
height: 30px;
background: #DDD;
}相关网址：http://map.sogou.com/api/documentation/javascript/api2.5/reference.html
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