谷歌地图信息窗口Z索引

Google Maps InfoWindow Z-Index

本文关键字：索引 窗口 信息窗 信息 谷歌地图      更新时间：2023-09-26

InfoWindow是否可以在Z索引高于谷歌地图的元素上弹出？

假设谷歌地图的z索引为零。该元素的z索引为100。单击标记会在与图元相同的区域中显示一个信息窗口。我们如何让这个InfoWindow悬停在元素上而不是它下面？

我曾尝试将InfoWindow的z索引设置为更高的值，但这似乎没有任何作用。

我在下面制作了一个演示来演示这个问题。如有任何帮助，我们将不胜感激！

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 


<head>
    <title>Infowindow Z-Index Test</title>
    <script language="Javascript" type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>                   
    <script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script>          
    <script language="Javascript" type="text/javascript">
        var coords = [[35.50733, 35.12768, 3]]; //, [-23.806549, 133.96059, 13], [68.169002, -134.425964, 10], [69.529715, -132.109222, 10], [80.231047, -22.730713, 7], [35.108675, -117.961578, 12]];
        var map;            
        function mapChoose(coords) {
            var current = coords[Math.floor(Math.random() * (coords.length))];
            //mapShow(current[0], current[1], current[2], document.getElementById('map'));
            mapShow(current[0], current[1], current[2], document.getElementById('map_canvas'));
        };
        function initialize() {
            mapChoose(coords);
        }
        function mapShow(lat, lng, zoom, div) {
            var myOptions = {
                'zoom': zoom,
                'center': new google.maps.LatLng(lat, lng),
                'mapTypeId': google.maps.MapTypeId.SATELLITE,
                'disableDefaultUI': true,
                'scrollwheel' : false,
                'draggable': false
            }
            map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
            // markers
            // load markers - us
            var marker3 = new google.maps.Marker({
                position: new google.maps.LatLng(40.71435, -74.00597),
                map: map,
                icon: 'http://google-maps-icons.googlecode.com/files/kitesurfing.png',
                draggable: true
            });
            marker3.setTitle("New York");                

            // info windows                
            var contentString = $("#divContentForInfoWindow").html();
            $("#divContentForInfoWindow").html('');

            infowindow3 = new google.maps.InfoWindow({
                content: contentString, zIndex: 5000 // this ZIndex property doesnt appear to do anything.
            });
            google.maps.event.addListener(marker3, 'click', function () {
                infowindow3.open(map, marker3);
            });
        };
    </script>
</head>

<body onload="initialize()" onunload="GUnload()">
    <!-- Google canvas element | Z-Index of 0 -->
    <div id="map_canvas" style="position: absolute; top: 0; bottom: 0; left: 0; right: 0; z-index: 0;"></div>         

    <!-- Floating block of text | Z-Index of 100  -->
    <div id="FloatingBlock" style='z-index: 100;position: absolute;left: 50px;top:75px;font-size: 16px;width: 525px;text-align: left;color: #111;background-color:#fff;opacity:.80;filter:alpha(opacity=80);'>
        <b>This layer is floating above the google map because the Z-Index has been set higher. <br /></b>
        Hello world hello world hello world hello world hello world hello world hello world<br />
        hello world hello world hello world hello world hello world hello world hello world<br /> 
        Hello world hello world hello world hello world hello world hello world hello world<br /> 
        hello world hello world hello world hello world hello world hello world hello world<br /> 
        Hello world hello world hello world hello world hello world hello world hello world<br /> 
        hello world hello world hello world hello world hello world hello world hello world<br /> 
        <div class="text">
          <!-- <input type="button" id="btntest" value="Open Info Window" onclick="showInfoWindow2();" /><input type="button" id="btntest2" value="hide Info Window" onclick="hideInfoWindow2();" />-->
    </div>
    <div style="clear:both;"></div>
    </div>      
    <!-- / can delete this, not used -->
    <!-- everything IN here will appear in the google maps info window -->
    <div id="divContentForInfoWindow">       
        This is popup content. <br />This is popup content. <br />
        This is popup content. <br />This is popup content. <br />
        This is popup content. <br />This is popup content. <br />
        This is popup content. <br />This is popup content. <br />
        This is popup content. <br />This is popup content. <br />
        This is popup content. <br />This is popup content. <br />
   </div>
   <br /><br /><br />        
    <!-- / everything in here will appear in the google maps info window -->
</body>

使用infowindow.setZIndex（数字）；

您可以使用自定义控件而不是外部元素来放置在地图上。自定义控件位于地图上方，打开InfoWindow时，Google地图会检测到控件的位置，并自动移动并打开控件下方的InfoWindow，因此两者不会重叠。在这种情况下，最好使用它而不是自定义覆盖，因为当拖动或缩放地图时，覆盖会移动，控件始终保持在同一位置。

因此，首先你必须在html中以div-s的形式添加映射和控件，然后初始化映射，然后将控件添加到映射中，如下所示：

var control = document.getElementById('control');
map.controls[google.maps.ControlPosition.TOP_LEFT].push(control);

这有多简单；）

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