3

我知道，这是一个经常性的问题，但是......我的多个标记有一个大问题：它们都有相同的标题和相同的信息窗口内容。

我在很多网站上搜索过，但我没有找到代码中的问题所在。我希望你能帮助我（我相信是这样的！）

这是我的代码：

<script type="text/javascript">
            var map;
            var geocoder;
            $(document).ready(function() {
                initializeMap();
            });


            function initializeMap() {

                var people = [{"userid":"47","lastname":"lastname1","firstname":"firstname1","address":"SomeAddress","phone1":"00000000000","phone2":"","email":"me@me.com"},{"userid":"42","lastname":"lastname2","firstname":"firstname2","address":"SomeAddress2","phone1":"0","phone2":"0","email":"me@me.com"}]; 


                var center = new google.maps.LatLng(40.667, -73.833); 

                var myOptions = {
                    zoom: 8,
                    center: center,
                    mapTypeId: google.maps.MapTypeId.ROADMAP
                };

                map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
                geocoder = new google.maps.Geocoder();

                for (i = 0; i < people.length; i++) {
                    var p = people[i];



                    geocoder.geocode( { 'address': p["address"]}, function(results, status) {
                        if (status == google.maps.GeocoderStatus.OK) {
                            map.setCenter(results[0].geometry.location);
                            var marker = new google.maps.Marker({
                                map:map,
                                draggable:false,
                                animation: google.maps.Animation.DROP,
                                title:p["lastname"] + " " + p["firstname"],
                                position: results[0].geometry.location
                            });


                            var myWindowOptions = {
                                content:
                                    '<h3>'+p["lastname"] + " " + p["firstname"]+'</h3>'+
                                    '<p>'+p["address"]
                            };

                            var myInfoWindow = new google.maps.InfoWindow(myWindowOptions);

                            google.maps.event.addListener(marker, 'click', function() {
                                myInfoWindow.open(map,marker);
                            });
                    });
                }
            }

 </script>

我真的希望有人能告诉我我的错误，非常感谢你的帮助！

不，我真的不明白，这应该是我在代码中没有看到的东西：

<script type="text/javascript">
            var map;
            var geocoder;
            $(document).ready(function() {
                initializeMap();
            });


            function initializeMap() {

                var people = [{"userid":"47","lastname":"lastname1","firstname":"firstname1","address":"SomeAddress","phone1":"00000000000","phone2":"","email":"me@me.com"},{"userid":"42","lastname":"lastname2","firstname":"firstname2","address":"SomeAddress2","phone1":"0","phone2":"0","email":"me@me.com"}]; 


                var center = new google.maps.LatLng(50.833, 25.000); 

                var myOptions = {
                    zoom: 8,
                    center: center,
                    mapTypeId: google.maps.MapTypeId.ROADMAP
                };

                map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
                geocoder = new google.maps.Geocoder();



                var infowindow = new google.maps.InfoWindow();

                var marker, i;

                for (i = 0; i < people.length; i++) {  
                    alert(people[i]['address']);
                    geocoder.geocode( { 'address': people[i]["address"]}, function(results, status) {

                        marker = new google.maps.Marker({
                            position: results[0].geometry.location,
                            map: map
                        });

                        google.maps.event.addListener(marker, 'click', (function(marker, i) {
                            return function() {
                                infowindow.setContent('<h3>'+people[i]["lastname"] + " " + people[i]["firstname"]+'</h3>');
                                infowindow.open(map, marker);
                            }
                        })(marker, i));
                    });
                }

            }
</script>

感谢帮助 ！！:)

4

3 回答 3

5

您必须存储对所有标记和所有信息窗口的引用。这是主要思想。这是我之前找到并使用过的链接之一

http://you.arenot.me/2010/06/29/google-maps-api-v3-0-multiple-markers-multiple-infowindows/ 这是众所周知的问题。有很多关于它的信息。尝试在那里搜索。

我希望它会有所帮助。

于 2011-07-29T21:37:16.527 回答
1

我也打过这个，但我刚刚用完了（恕我直言，真是个混蛋）。

这里的主要问题是异步 geocoder.geocode() 函数：您正在编写代码的内联回调在任意时间（谷歌响应您的请求所花费的时间）执行，它与您无关为循环。

出于这个原因，您的i计数器变量通常会包含最后一个可能的值，因为短循环的执行比http 请求到达服务器并返回要快得多。

主要是，解决方案是将这个结合在一起

GMaps JS 地理编码：使用/传递具有异步地理编码功能的变量？

有了这个

http://you.arenot.me/2010/06/29/google-maps-api-v3-0-multiple-markers-multiple-infowindows/

正如 Ruslan Polutsygan 所指出的那样。对我来说真正的诀窍是将任何迭代操作保留在地理编码器回调之外。所以，这是“核心”：

function geocodeSite(site) {
  geocoder = new google.maps.Geocoder();
  geocoder.geocode( { 'address': site.place + ', IT'}, function(results, status) {
    if (status == google.maps.GeocoderStatus.OK) {
      site.position = results[0].geometry.location;
      addMarker(site);
    } else {
      alert("Geocode was not successful for the following reason: " + status);
    }
  });
}

function addMarker(site) {
  marker = new google.maps.Marker({
      map: map,
      position: site.position,
      animation: google.maps.Animation.DROP,
      title: site.name
  });
  google.maps.event.addListener(marker, 'click', function () {
    infoWindow.setContent(site.name);
    infoWindow.open(map, this);
  });
}

这就是我使用它的方式：

<script type='text/javascript'>
  var data = <?php print $geodata?>;
  for (var i = 0; i < witaly_data.length; i++) {
    geocodeSite(data[i]);
  }
</script>

其中data是我在服务器端生成的一个 json 变量，它由一个名称和一个地址（我们传递给地理编码器的那个）组成。

显然，您必须在其他地方初始化地图（我在 jquery document.ready() 中执行）并将其声明为全局变量，就像 infoWindow 实例一样。

于 2012-09-24T20:34:21.707 回答
0

这是适用于我的示例代码

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&libraries=places"></script>
<script>
    var branches = '@Model.SerializedBranchesMapInfos'; //Info from server

    function setMarker(map) {
        if (branches != null && branches.length > 0) {
            branches = branches.replace(/&amp;/g, "&").replace(/&gt;/g, ">").replace(/&lt;/g, "<").replace(/&quot;/g, "\"");
            var branchesList = JSON.parse(branches);

            for (var i = 0; i < branchesList.length; i++) {
                addMarker(map, branchesList[i]);
            }
        }
    }

    function addMarker(map, branch) {
        var infowindow = new google.maps.InfoWindow();
        var marker = new google.maps.Marker({
            position: {
                lat: branch.Latitude,
                lng: branch.Longitude
            },
            map: map,
            title: branch.branchCode
        });

        var contentString = '<div><strong>' + branch.BranchCode + '</strong><br>' +
                                branch.Description + '</div>';

        google.maps.event.addListener(marker, 'click', function () {
            if (contentString == infowindow.getContent()) {
                infowindow.close(map, this);
                infowindow.setContent('');
            }
            else {
                infowindow.setContent(contentString);
                infowindow.open(map, this);
            }
        });
    }

    function initialize() {
        var mapOptions = {
            center: new google.maps.LatLng(3.872310, 108.160445), // Initiaize with Riau Islands coordinates
            zoom: 6
        };
        var map = new google.maps.Map(document.getElementById('gmap'), mapOptions);
        setMarker(map);
    }

    google.maps.event.addDomListener(window, 'load', initialize);
</script>
于 2014-11-10T09:57:10.950 回答