Google maps 尝试在多个标记上显示来自JSON的InfoWindow数据

Google maps 尝试在多个标记上显示来自JSON的InfoWindow数据,google-maps,Google Maps,我有多个标记从JSON文件加载到GoogleMapsV3API。但是,它只是在最后一个标记上将最后一个JSON条目加载到MapInfoWindow中。其他标记在单击时不显示任何信息窗口 我已经找到了下面的相关帖子,但似乎仍然无法让它发挥作用 我猜这和addListener的位置有关 以下是我得到的: <script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></s

我有多个标记从JSON文件加载到GoogleMapsV3API。但是,它只是在最后一个标记上将最后一个JSON条目加载到MapInfoWindow中。其他标记在单击时不显示任何信息窗口

我已经找到了下面的相关帖子,但似乎仍然无法让它发挥作用

我猜这和addListener的位置有关

以下是我得到的:

<script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script>
<script type="text/javascript" src="markerclusterer.js"></script>
<script src="jquery-1.5.1.min.js" type="text/javascript"></script>


<script type="text/javascript">
function initialize() {
  var myLatlng = new google.maps.LatLng(39.632906,-106.524591);
  var myOptions = {
     zoom: 8,
     center: myLatlng,
     mapTypeControl: true,
     mapTypeControlOptions: {style: google.maps.MapTypeControlStyle.DROPDOWN_MENU},
     navigationControl: true,
     navigationControlOptions: {style: google.maps.NavigationControlStyle.SMALL},
     mapTypeId: google.maps.MapTypeId.ROADMAP 
     };

  var map = new google.maps.Map(document.getElementById("mapdiv"), myOptions);

    var url = "eventdata.json";
      $.getJSON(url,
        function(data){ 
              $.each(data.markers, function(i,markers){

                  var mylati = data.markers[i].lati;
                  var mylong = data.markers[i].long;
                  var mytitle = data.markers[i].title;
                  var myaddress = data.markers[i].address;
                  var myhtml = data.markers[i].html;

    var mycontent = "<div class='infowin'><h3>" + mytitle + "</h3>" + "<h4>"
    + myaddress + "</h4>" + myhtml + "</div>";

    var myLatlng = new google.maps.LatLng(parseFloat(mylati),parseFloat(mylong));



                <!--Load Event Markers-->
                    var markers = [];
                    for (var i = 0, dataMarkers; dataMarkers = data.markers[i]; i++) {
                      var latLng = new google.maps.LatLng(dataMarkers.lat, dataMarkers.lng);
                      var theTitle = dataMarkers.title;
                      var marker = new google.maps.Marker({
                        position: latLng,
                        clickable: true,
                        title: theTitle,
                      });
                      markers.push(marker);
                    }

                        var markerClusterer = new MarkerClusterer(map, markers, {
                          maxZoom: 15,
                          gridSize: 30,
                        });

                    var infowindow = new google.maps.InfoWindow({
                        content: mycontent
                    });

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




       });
    });

    }

</script>

函数初始化(){
var mylatng=newgoogle.maps.LatLng(39.632906,-106.524591);
变量myOptions={
缩放:8,
中心:myLatlng,
mapTypeControl:true,
mapTypeControlOptions:{style:google.maps.MapTypeControlStyle.DROPDOWN_MENU},
导航控制:对,
navigationControlOptions:{style:google.maps.NavigationControlStyle.SMALL},
mapTypeId:google.maps.mapTypeId.ROADMAP
};
var map=new google.maps.map(document.getElementById(“mapdiv”),myOptions);
var url=“eventdata.json”;
$.getJSON(url,
函数(数据){
$.each(data.markers,function(i,markers){
var mylati=data.markers[i].lati;
var mylong=data.markers[i].long;
var mytitle=data.markers[i].title;
var myaddress=data.markers[i].地址;
var myhtml=data.markers[i].html;
var mycontent=“+mytitle++”
+myaddress+“”+myhtml+“”;
var mylatng=new google.maps.LatLng(parseFloat(mylati)、parseFloat(mylong));
var标记=[];
for(var i=0,dataMarkers;dataMarkers=data.markers[i];i++){
var latLng=new google.maps.latLng(dataMarkers.lat,dataMarkers.lng);
var theTitle=dataMarkers.title;
var marker=new google.maps.marker({
位置:latLng,
可点击:正确,
标题:标题,
});
标记器。推(标记器);
}
var markerClusterer=新的markerClusterer(地图、标记、{
最大缩放:15,
网格大小:30,
});
var infowindow=new google.maps.infowindow({
内容:mycontent
});
google.maps.event.addListener(标记'click',函数(){
信息窗口。打开(地图、标记);
});
});
});
}

非常感谢您提供的任何帮助

请查看并尝试理解闭包

请查看并尝试理解闭包

通读闭包并解决此问题

        var map = new google.maps.Map(document.getElementById("map_canvas"), options);


                var markers = [];
                for (var i = 0, dataMarkers; dataMarkers = data.markers[i]; i++) {
                  var latLng = new google.maps.LatLng(dataMarkers.lat, dataMarkers.lng);
                  var marker = new google.maps.Marker({
                    position: latLng,
                    title: dataMarkers.title,
                    date: dataMarkers.date,
                    time: dataMarkers.time,
                    desc: dataMarkers.desc,
                    img: dataMarkers.img,
                    add: dataMarkers.address,
                    cat: dataMarkers.cat,
                    map: map
                  });


                var infowindow = new google.maps.InfoWindow({
                        content: " "
                      });
                      google.maps.event.addListener(marker, 'click', function() {
                        infowindow.setContent('<div id="mapCont"><img class="mapImg" src="'+this.img+'"/>' +
                                              '<div class="mapTitle">'+this.title+'</div>' + 
                                              '<div class="mapHead">Date: <div class="mapInfo">'+this.date+'</div>' +
                                              '<div class="mapHead">Time: <div class="mapInfo">'+this.time+'</div>' +
                                              '<p>'+this.desc+'</p></div>');
                        infowindow.open(map, this);
                      });

                  markers.push(marker);
                }


            var markerClusterer = new MarkerClusterer(map, markers, {
              maxZoom: 15,
              gridSize: 50
            });
var map=new google.maps.map(document.getElementById(“map_canvas”),选项);
var标记=[];
for(var i=0,dataMarkers;dataMarkers=data.markers[i];i++){
var latLng=new google.maps.latLng(dataMarkers.lat,dataMarkers.lng);
var marker=new google.maps.marker({
位置:latLng,
标题:dataMarkers.title,
日期:dataMarkers.date,
时间:dataMarkers.time,
desc:dataMarkers.desc,
img:dataMarkers.img,
添加:dataMarkers.address,
cat:dataMarkers.cat,
地图:地图
});
var infowindow=new google.maps.infowindow({
内容:“”
});
google.maps.event.addListener(标记'click',函数(){
infowindow.setContent(“”+
''+这个.标题+''
'日期:'+此日期+''+
'时间:'+此时间+''+
“”+this.desc+”

); 打开(地图,这个); }); 标记器。推(标记器); } var markerClusterer=新的markerClusterer(地图、标记、{ 最大缩放:15, 网格大小:50 });

}

通读闭包并找出答案

        var map = new google.maps.Map(document.getElementById("map_canvas"), options);


                var markers = [];
                for (var i = 0, dataMarkers; dataMarkers = data.markers[i]; i++) {
                  var latLng = new google.maps.LatLng(dataMarkers.lat, dataMarkers.lng);
                  var marker = new google.maps.Marker({
                    position: latLng,
                    title: dataMarkers.title,
                    date: dataMarkers.date,
                    time: dataMarkers.time,
                    desc: dataMarkers.desc,
                    img: dataMarkers.img,
                    add: dataMarkers.address,
                    cat: dataMarkers.cat,
                    map: map
                  });


                var infowindow = new google.maps.InfoWindow({
                        content: " "
                      });
                      google.maps.event.addListener(marker, 'click', function() {
                        infowindow.setContent('<div id="mapCont"><img class="mapImg" src="'+this.img+'"/>' +
                                              '<div class="mapTitle">'+this.title+'</div>' + 
                                              '<div class="mapHead">Date: <div class="mapInfo">'+this.date+'</div>' +
                                              '<div class="mapHead">Time: <div class="mapInfo">'+this.time+'</div>' +
                                              '<p>'+this.desc+'</p></div>');
                        infowindow.open(map, this);
                      });

                  markers.push(marker);
                }


            var markerClusterer = new MarkerClusterer(map, markers, {
              maxZoom: 15,
              gridSize: 50
            });
var map=new google.maps.map(document.getElementById(“map_canvas”),选项);
var标记=[];
for(var i=0,dataMarkers;dataMarkers=data.markers[i];i++){
var latLng=new google.maps.latLng(dataMarkers.lat,dataMarkers.lng);
var marker=new google.maps.marker({
位置:latLng,
标题:dataMarkers.title,
日期:dataMarkers.date,
时间:dataMarkers.time,
desc:dataMarkers.desc,
img:dataMarkers.img,
添加:dataMarkers.address,
cat:dataMarkers.cat,
地图:地图
});
var infowindow=new google.maps.infowindow({
内容:“”
});
google.maps.event.addListener(标记'click',函数(){
infowindow.setContent(“”+
''+这个.标题+''
'日期:'+此日期+''+
'时间:'+此时间+''+
“”+this.desc+”

); 打开(地图,这个); }); 标记器。推(标记器); } var markerClusterer=新的markerClusterer(地图、标记、{ 最大缩放:15,