google Map api地理位置坐标转换
2010-11-12 17:05
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代码
<!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>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>地理位置坐标转换</title>
<script src="http://ditu.google.cn/maps?file=api&v=2&key=ABQIAAAAe3YR_oZq7RQougOHlEQYxRTrT8HRiYVHGz6s-cexYhuHznMTnBQJ3hrfCSvSmQ_Fqr80B62kDy8djA&sensor=true"
type="text/javascript"></script>
<script type="text/javascript">
window.g = {};
window.$ = function (id) { return document.getElementById(id) };
window.onload = function () {
if (GBrowserIsCompatible()) {
g.map = new GMap2($("map"));
//加载google地图控件
g.map.addControl(new GLargeMapControl());
g.map.addControl(new GMapTypeControl());
g.map.addControl(new GScaleControl());
//实例化google客户端地理编码类(GClientGeocoder)
g.geocoder = new GClientGeocoder();
g.getCoordinates = function (address) {
g.geocoder.getLatLng(
address,
function (point) {
if (point) {
alert(point.lat());
alert(point.lng());
g.map.setCenter(point, 13);
var marker = new GMarker(point);
g.map.addOverlay(marker);
var info = "<strong>" + address + "</strong><br />坐标: " + point.lat() + "," + point.lng();
$("info").innerHTML = info;
marker.openInfoWindowHtml(info);
marker.__address_info = info;
GEvent.addListener(marker, "click", function () {
g.map.setCenter(this.getLatLng());
this.openInfoWindowHtml(this.__address_info);
$("info").innerHTML = info;
});
}
else {
alert("无法解析: " + address);
}
}
)
}
$("btn_go").onclick = function () {
g.getCoordinates($("address").value);
}
$("btn_go").onclick();
}
else {
alert('不支持的浏览器');
}
}
window.onunload = function () {
GUnload();
}
</script>
<style media="screen">
body
{
margin: 0;
padding: 0;
font-size: 9pt;
line-height: 1.5em;
}
#frame
{
width: 700px;
margin: 20px auto 10px;
}
#form
{
margin: 0 0 10px;
text-align: center;
}
#form input
{
border: 1px solid #ccc;
font-size: 9pt;
width: 200px;
}
#form button
{
font-size: 9pt;
border: 1px solid #ccc;
}
#form button:hover
{
background: #eef;
}
#map
{
height: 400px;
margin: 0 0 10px;
border: 5px solid #ccc;
}
#vifix
{
text-align: center;
}
#vifix a
{
color: #f00;
text-decoration: none;
}
#vifix a:hover
{
color: #f96;
}
</style>
</head>
<body>
<div id="frame">
<div id="form">
输入一个地址:
<input id="address" value="杭州市西湖三潭印月" />
<button id="btn_go">
获取坐标</button>
</div>
<div id="map">
</div>
<div id="info">
</div>
<div id="vifix">
Powered by <a href="http://code.google.com/apis/maps/" target="_blank">Google Map API</a>
/ Created by <a href="http://vifix.cn%22%3evifix.cn%3c/a>
</div>
</div>
</body>
</html>
直接拷贝运行即可。对于简单的应用，这个示例已经足够了！
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>地理位置坐标转换</title>
<script src="http://ditu.google.cn/maps?file=api&v=2&key=ABQIAAAAe3YR_oZq7RQougOHlEQYxRTrT8HRiYVHGz6s-cexYhuHznMTnBQJ3hrfCSvSmQ_Fqr80B62kDy8djA&sensor=true"
type="text/javascript"></script>
<script type="text/javascript">
window.g = {};
window.$ = function (id) { return document.getElementById(id) };
window.onload = function () {
if (GBrowserIsCompatible()) {
g.map = new GMap2($("map"));
//加载google地图控件
g.map.addControl(new GLargeMapControl());
g.map.addControl(new GMapTypeControl());
g.map.addControl(new GScaleControl());
//实例化google客户端地理编码类(GClientGeocoder)
g.geocoder = new GClientGeocoder();
g.getCoordinates = function (address) {
g.geocoder.getLatLng(
address,
function (point) {
if (point) {
alert(point.lat());
alert(point.lng());
g.map.setCenter(point, 13);
var marker = new GMarker(point);
g.map.addOverlay(marker);
var info = "<strong>" + address + "</strong><br />坐标: " + point.lat() + "," + point.lng();
$("info").innerHTML = info;
marker.openInfoWindowHtml(info);
marker.__address_info = info;
GEvent.addListener(marker, "click", function () {
g.map.setCenter(this.getLatLng());
this.openInfoWindowHtml(this.__address_info);
$("info").innerHTML = info;
});
}
else {
alert("无法解析: " + address);
}
}
)
}
$("btn_go").onclick = function () {
g.getCoordinates($("address").value);
}
$("btn_go").onclick();
}
else {
alert('不支持的浏览器');
}
}
window.onunload = function () {
GUnload();
}
</script>
<style media="screen">
body
{
margin: 0;
padding: 0;
font-size: 9pt;
line-height: 1.5em;
}
#frame
{
width: 700px;
margin: 20px auto 10px;
}
#form
{
margin: 0 0 10px;
text-align: center;
}
#form input
{
border: 1px solid #ccc;
font-size: 9pt;
width: 200px;
}
#form button
{
font-size: 9pt;
border: 1px solid #ccc;
}
#form button:hover
{
background: #eef;
}
#map
{
height: 400px;
margin: 0 0 10px;
border: 5px solid #ccc;
}
#vifix
{
text-align: center;
}
#vifix a
{
color: #f00;
text-decoration: none;
}
#vifix a:hover
{
color: #f96;
}
</style>
</head>
<body>
<div id="frame">
<div id="form">
输入一个地址:
<input id="address" value="杭州市西湖三潭印月" />
<button id="btn_go">
获取坐标</button>
</div>
<div id="map">
</div>
<div id="info">
</div>
<div id="vifix">
Powered by <a href="http://code.google.com/apis/maps/" target="_blank">Google Map API</a>
/ Created by <a href="http://vifix.cn%22%3evifix.cn%3c/a>
</div>
</div>
</body>
</html>
直接拷贝运行即可。对于简单的应用，这个示例已经足够了！
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