Hiển thị vị trí trên bản đồ tương tác của Google
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Showing User's Location on Google Map</title>
<script src="https://maps.google.com/maps/api/js?sensor=false"></script>
<script>
function showPosition() {
if(navigator.geolocation) {
navigator.geolocation.getCurrentPosition(showMap, showError);
} else {
alert("Sorry, your browser does not support HTML5 geolocation.");
}
}
// Define callback function for successful attempt
function showMap(position) {
// Get location data
lat = position.coords.latitude;
long = position.coords.longitude;
var latlong = new google.maps.LatLng(lat, long);
var myOptions = {
center: latlong,
zoom: 16,
mapTypeControl: true,
navigationControlOptions: {
style:google.maps.NavigationControlStyle.SMALL
}
}
var map = new google.maps.Map(document.getElementById("embedMap"), myOptions);
var marker = new google.maps.Marker({ position:latlong, map:map, title:"You are here!" });
}
// Define callback function for failed attempt
function showError(error) {
if(error.code == 1) {
result.innerHTML = "You've decided not to share your position, but it's OK. We won't ask you again.";
} else if(error.code == 2) {
result.innerHTML = "The network is down or the positioning service can't be reached.";
} else if(error.code == 3) {
result.innerHTML = "The attempt timed out before it could get the location data.";
} else {
result.innerHTML = "Geolocation failed due to unknown error.";
}
}
</script>
</head>
<body>
<button type="button" onclick="showPosition();">Show My Position on Google Map</button>
<div id="embedMap" style="width: 400px; height: 300px;">
<!--Google map will be embedded here-->
</div>
</body>
</html>
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