我尝试了这段代码：
<!DOCTYPE html>
<html>
<head>
<title>Location Location Location</title>
<script type="text/javascript" charset="utf-8">
var watchID = null;
// PhoneGap is ready
//
function f() {
// Update every 1 ms seconds
var options = {enableHighAccuracy: true,timeout: 5000,maximumAge: 0,desiredAccuracy: 0, frequency: 1 };
watchID = navigator.geolocation.watchPosition(onSuccess, onError, options);
}
// onSuccess Geolocation
//
function onSuccess(position) {
var xmlhttp;
if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}else{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
var str = 'Latitude: ' + …