Google 地圖找座標

<html> 

<head> 
  <meta http-equiv="content-type" content="text/html; charset=UTF-8"/> 
  <title>Google Maps JavaScript API Example: 	Reverse Geocoder</title> 
  <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAVVIaGcLI-3o-sANr9O-SqhQ7itgXKq2lOUhGp3-InRmgyDBLgBSpMZMUuDJ32UnqyGhfuyTo83Ucnw" 
          type="text/javascript"></script> 
  <script type="text/javascript">

var map; 

  var geocoder;
  var address;

function initialize() { 

    map = new GMap2(document.getElementById("map_canvas"));
    map.setCenter(new GLatLng(25.046412,121.537031), 15);
    map.setUIToDefault();
    GEvent.addListener(map, "click", getAddress);
    geocoder = new GClientGeocoder();
  }
  
  function getAddress(overlay, latlng) {
    if (latlng != null) {
      address = latlng;
      geocoder.getLocations(latlng, showAddress);
    }
  }

function showAddress(response) { 

    map.clearOverlays();
    if (!response || response.Status.code != 200) {
      alert("Status Code:" + response.Status.code);
    } else {
      place = response.Placemark[0];
      point = new GLatLng(place.Point.coordinates[1],
                          place.Point.coordinates[0]);
      marker = new GMarker(point);
      map.addOverlay(marker);
      marker.openInfoWindowHtml(
      '<b>orig latlng:</b>' + response.name + '<br/>' + 
      '<b>latlng:</b>' + place.Point.coordinates[1] + "," + place.Point.coordinates[0] + '<br>' +
      '<b>Status Code:</b>' + response.Status.code + '<br>' +
      '<b>Status Request:</b>' + response.Status.request + '<br>' +
      '<b>Address:</b>' + place.address + '<br>' +
      '<b>Accuracy:</b>' + place.AddressDetails.Accuracy + '<br>' +
      '<b>Country code:</b> ' + place.AddressDetails.Country.CountryNameCode);
    }
  }

</script> 

</head>

<body onload=“initialize()”> 

  <div id="map_canvas" style="width: 500px; height: 400px"></div> 
</body>

</html>