新版本的cordova 3.0 中，使用官方的示例可直接获取当前手机的地理位置，前提是手机开启了gps，或可联网。
获取到的是经纬度坐标值等信息，可通过google api 实现通过经纬度获取当前地理位置名称。
google api 地址：http://maps.google.com/maps/api/geocode/json?latlng=经度,纬度&language=zh-CN&sensor=true
phonegap 代码：
<!DOCTYPE html>
<html>
<head>
<title>Device Properties Example</title>
<script type="text/javascript" charset="utf-8" src="cordova.js"></script><!--cordova 3.0+ -->
<script type="text/javascript" charset="utf-8">
// Wait for device API libraries to load
//
document.addEventListener("deviceready", onDeviceReady, false);
// device APIs are available
//
function onDeviceReady() {
navigator.geolocation.getCurrentPosition(onSuccess, onError);
}
// onSuccess Geolocation
//
function onSuccess(position) {
var element = document.getElementById('geolocation');
element.innerHTML = 'Latitude: ' + position.coords.latitude + '<br />' +
'Longitude: ' + position.coords.longitude + '<br />' +
'Altitude: ' + position.coords.altitude + '<br />' +
'Accuracy: ' + position.coords.accuracy + '<br />' +
'Altitude Accuracy: ' + position.coords.altitudeAccuracy + '<br />' +
'Heading: ' + position.coords.heading + '<br />' +
'Speed: ' + position.coords.speed + '<br />' +
'Timestamp: ' + position.timestamp + '<br />';
}
// onError Callback receives a PositionError object
//
function onError(error) {
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n');
}
</script>
</head>
<body>
<p id="geolocation">Finding geolocation...</p>
</body>
</html>