[求建议]关于Google地图

要做一个地图显示系统，通过文本框输入一个地址，在Google地图上显示出来，
请问如何获得输入地址所对应Google地图上的坐标，请大家帮忙....

解决方案 »

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用geocoder<%--
    Document   : Maptry
    Created on : Jul 15, 2009, 10:18:33 AM
    Author     : Vera
--%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml">
  <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&v=2&sensor=true&key=ABQIAAAAmmpqvETboXNAa3pdbxsU4xQ-h6LmbbFeFeD785htAuKkPrGfChQpyRPJjOe8P7q0fPhC2LazlVYbmg"
            type="text/javascript"></script>
    <script type="text/javascript">     var map = null;
    var geocoder = null;    function initialize() {
      if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(1.2462668, 103.8289017), 13);
        geocoder = new GClientGeocoder();
      }
    }function showAddress(address) {
      if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert(address + " not found");
            } else {
              map.setCenter(point, 13);
              var er = new GMarker(point);
              map.addOverlay(er);
              er.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()" onunload="GUnload()">
    <form action="#" onsubmit="showAddress(this.address.value); return false">
      <p>
        <input type="text" size="60" name="address" value="1600 Amphitheatre Pky, Mountain View, CA" />
        <input type="submit" value="Go!" />
      </p>
      <div id="map_canvas" style="width: 500px; height: 300px"></div>
    </form>  </body>
</html>你可以去GOOGLE找，有很多的例子