谷歌地图V3同样经纬度来自mysql查询

Question

我使用PHP mysql为我的谷歌地图。 将显示两个不同的标记（绿色表示ja（是），橙色表示nein（no））。但是，当两个“东西”具有相同的经纬度时，只有其中一个会显示（例如：一个男人（ja）和一个女人（nein）住在同一栋房子里） 如何获得两个标记？我不希望两个人都在同一个infowindow和没有集群。 首先，PHP：

$query = "SELECT ..."; 
$result = mysql_query($query); 
if (!$result) { 
    die('Invalid query: ' . mysql_error()); 
} 
header("Content-Type: text/xml; charset=utf-8"); 
header("Content-type: text/xml"); 

// Start XML file, echo parent node 
echo '<markers>'; 

// Iterate through the rows, printing XML nodes for each 
while ($row = @mysql_fetch_assoc($result)){ 
// ADD TO XML DOCUMENT NODE 
parseToXML($row['kennelname'] .'</a>" '; 
    echo '<marker '; 

if ($row['studlist'] == 'ja') 
{echo 'studlist=" " ';} else {echo 'studlist="Daten nicht geprüft!" ';} 

    echo 'name="' . parseToXML($row['dogname']) . '" '; 
    echo 'lat="' . $row['lat'] . '" '; 
    echo 'lng="' . $row['lng'] . '" '; 
    echo 'type="' . $row['studlist'] . '" '; 
    echo ' />'; 

} 

// End XML file 
echo '</markers>'; 

和JS：

<script src="http://maps.google.com/maps/api/js?sensor=false" 
      type="text/javascript"></script> 
<script type="text/javascript"> 
    //<![CDATA[ 

var customIcons = { 
    ja: { 
    icon: 'http://labs.google.com/ridefinder/images/mm_20_green.png', 
    shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png' 
    }, 
    nein: { 
    icon: 'http://labs.google.com/ridefinder/images/mm_20_orange.png', 
    shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png' 
    } 
}; 

    function load() { 
     var map = new google.maps.Map(document.getElementById("map"), { 
     center: new google.maps.LatLng(51.162014, 10.450573), 
     zoom: 6, 
     mapTypeId: 'roadmap' 
     }); 
     var infoWindow = new google.maps.InfoWindow; 

     // Change this depending on the name of your PHP file 
     downloadUrl("testfemale_de_xml.php", function(data) { 
     var xml = data.responseXML; 
     var markers = xml.documentElement.getElementsByTagName("marker"); 
     for (var i = 0; i < markers.length; i++) { 
      var id = markers[i].getAttribute("id"); 
      var name = markers[i].getAttribute("name"); 

      var address = markers[i].getAttribute("address"); 
      var studlist = markers[i].getAttribute("studlist"); 
      var type = markers[i].getAttribute("type"); 
      var point = new google.maps.LatLng(
       parseFloat(markers[i].getAttribute("lat")), 
       parseFloat(markers[i].getAttribute("lng"))); 


      var html = 
      "<a href='/dog.php?id=" + id + "'>" + name + "</a>" + 
      "<br/><img src='/photo/" + id + "/" + id + ".jpg' height='70' width='' alt=''>" + 

      "<br />" +studlist 

      ; 
      var icon = customIcons[type] || {}; 
      var marker = new google.maps.Marker({ 
      map: map, 
      position: point, 
      icon: icon.icon, 
      shadow: icon.shadow 
      }); 
      bindInfoWindow(marker, map, infoWindow, html); 
     } 
     }); 
    } 

    function bindInfoWindow(marker, map, infoWindow, html) { 
     google.maps.event.addListener(marker, 'click', function() { 
     infoWindow.setContent(html); 
     infoWindow.open(map, marker); 
     }); 
    } 

    function downloadUrl(url, callback) { 
     var request = window.ActiveXObject ? 
      new ActiveXObject('Microsoft.XMLHTTP') : 
      new XMLHttpRequest; 

     request.onreadystatechange = function() { 
     if (request.readyState == 4) { 
      request.onreadystatechange = doNothing; 
      callback(request, request.status); 
     } 
     }; 

     request.open('GET', url, true); 
     request.send(null); 
    } 

    function doNothing() {} 

    //]]> 
    </script> 

Answer 1

何时标记共享相同的位置，你会看到只有一个。您可以选择使用标记的zIndex属性显示哪一个。例如：

marker.setZIndex(google.maps.Marker.MAX_ZINDEX + 1);