剛寫的一個網頁版地理位置定位，電腦上可能不太準，手機經本人測試精确度能達到50米
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
/*<meta name="viewport" content="initial-scale=1.0,user-scalable=no"/>*/在手機上打開添加這一行
<title>無标題文檔</title>
<script src="http://api.map.baidu.com/api?v=1.3"></script>
</head>
<body>
<div id="d"></div>
<div id="d2" style="width:100%; height:500px; border:1px red solid;"></div>
<script type="text/javascript">
if (navigator.geolocation)
{
alert("OK");
}
else
{
alert('您的浏覽器不支援HTML5的geolocation對象');
}
function Map(a,b)
{
var map=new BMap.Map("d2");
var point=new BMap.Point(b,a);
map.centerAndZoom(point,15);
map.addControl(new BMap.Marker(new BMap.Point(b,a)));
map.addControl(new BMap.ScaleControl());
map.addControl(new BMap.NavigationControl());
}
var lat=null;
var lon=null;
var info=null;
function success(position)
{
lat = position.coords.latitude;
lon = position.coords.longitude;
info = document.getElementById('d');
info.innerHTML += '<h3>你目前的地理位置資訊：</h3>'+
'<ul><li>經度:' +lat + '</li>'+
'<li>緯度:' +lon + '</li>'+
'<li>海拔:'+position.coords.altidude+'</li>'+
'<li>經緯精确度:'+position.coords.accuracy+'</li>'+
'<li>海拔精确度:'+position.coords.altitudeAccuracy+'米</li>'+
'<li>朝向:'+position.coords.heading+'</li>'+
'<li>移動速度:'+position.coords.speed+'</li>'+
'<li>目前時間:'+position.coords.timestamp+'</li></ul>';
Map(lat,lon);
};
function error(error)
{
var info = document.getElementById('d');
info.innerHTML += '<h3>錯 誤：</h3>' +
'<ul><li>錯誤碼:' + error.code + '</li>'+
'<li>錯誤資訊:' +error.message +'</li></ul>';
switch(error.code)
{
case 1:alert("使用者拒絕使用地理位置");
break;
case 2:alert("連不上GPS衛星，或者網絡斷了");
break;
case 3:alert("擷取位置資訊逾時");
break;
defult:alert("未知錯誤");
break;
}
}
navigator.geolocation.getCurrentPosition(success,error);
</script>
</body>
</html>
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