下面代码中获取到了当前用户手机的经纬度，然后将经纬度转化成了省市县，
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
*{
height: 80%; //设置地图高度，APP一般不用设置高度显示地图
}
</style>
<!--存储获取的经纬度-->
<input type="hidden" id="latvalue" value=""/ >
<input type="hidden" id="lonvalue" value=""/ >
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
<!--秘钥需要在百度API申请-->
<script type="text/javascript" src="http://api.map.baidu.com/api?----"></script>
<script type="text/javascript" src="http://developer.baidu.com/map/jsdemo/demo/convertor.js"></script>
<script>
$(function(){
navigator.geolocation.getCurrentPosition(translatePoint); //定位
});
function translatePoint(position){
var currentLat = position.coords.latitude; //获取当前位置的经度
var currentLon = position.coords.longitude; //获取当前位置的纬度
var gpsPoint = new BMap.Point(currentLon, currentLat);
BMap.Convertor.translate(gpsPoint, 0, initMap); //转换坐标
$("#latvalue").val(currentLat);
$("#lonvalue").val(currentLon);
}
function initMap(point){
//初始化地图
map = new BMap.Map("map");
map.addControl(new BMap.NavigationControl());
map.addControl(new BMap.ScaleControl());
map.addControl(new BMap.OverviewMapControl());
map.centerAndZoom(point, 15);
map.addOverlay(new BMap.Marker(point))
}
//以上方法可以获取到当前位置经纬度，可以先获取到经纬度，
//然后将经纬度在隐藏input框中存储起来，再触发一个getAddress点击事件，将经纬度转化成省市县
//将经纬度转成省市县
function getAddress(){
var latitude = $("#latvalue").val(); //获取存储的经纬度
var longitude = $("#lonvalue").val();
var address;
//通过baiduMap API获取街道名称
var map = new BMap.Map("allmap");
var point = new BMap.Point(longitude,latitude);
var gc = new BMap.Geocoder();
gc.getLocation(point, function(rs){
var addComp = rs.addressComponents;
address = addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber;
alert(address);
});
return address;
}
</script>
</head>
<body>
<div id="map"></div>
<button style=" 50%; height: 40px; background-color: pink;" onclick="getAddress()">确定</button>
</body>
</html>