地图

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body, html,#allmap { 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
    </style>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=2ZMcgYgarHDmUS5bzdebLZBMcrEIoQ8X"></script>
    <title>浏览器定位</title>
</head>
<body>
    <div id="allmap"></div>
    <script type="text/javascript">
        // 百度地图API功能
        var map = new BMap.Map("allmap");
        var point = new BMap.Point(116.331398,39.897445);
        map.centerAndZoom(point,12);

        var geolocation = new BMap.Geolocation();
        geolocation.getCurrentPosition(function(r){
            if(this.getStatus() == BMAP_STATUS_SUCCESS){
                var mk = new BMap.Marker(r.point);
                map.addOverlay(mk);
                map.panTo(r.point);
                alert('您的位置：'+r.point.lng+','+r.point.lat);
            }
            else {
                alert('failed'+this.getStatus());
            }
        },{enableHighAccuracy: true})
    </script>
</body>
</html>

引自：十二月出行