我在地图中显示了我的位置,如下所示:
<script type="text/javascript" src="https://maps-api-ssl.google.com/maps/api/js?v=3&sensor=true"></script>
<script type="text/javascript">
    var map;
    var markers = new Array();
    var infos = new Array();
    jQuery(document).ready(function(){
        var mapOptions = {
                zoom: 2,
                mapTypeId: google.maps.MapTypeId.ROADMAP
            };
        map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
        {% for position in positions %}
            var address = '{{ position.map_position }}';
            geocoder = new google.maps.Geocoder();
            geocoder.geocode( { 'address': address}, function(results, status) {
                if (status == google.maps.GeocoderStatus.OK) {
                    var content_html  = '<div>';
                    content_html += '<label style="font-weight:bold;">country name : </label>{{ position.country.country_name }}<br/>';
                    content_html += '<label style="font-weight:bold;">city name : </label>{{ position.city.city_name }}<br/>';
                    {% if position.related > 1 %}
                    content_html += '<a style="color:black;" href="Mylink">My link</a>';
                    {% endif %}
                    if(jQuery.inArray('{{ position.map_position }}', markers) == -1){
                        map.setCenter(results[0].geometry.location);
                        var marker = new google.maps.Marker({
                            map: map,
                            icon: '{{position.icon}}',
                            position: results[0].geometry.location
                        });
                        markers.push('{{ position.map_position }}');
                        var infowindow = new google.maps.InfoWindow({
                            content: content_html
                        });
                        infos.push(infowindow);
                        google.maps.event.addListener(marker, 'click', function() {
                            infowindow.open(map,marker);
                        });
                    }
                    else {
                        var infowindow = infos[jQuery.inArray('{{ position.map_position }}', markers)];
                        infowindow.setContent(infowindow.getContent()+'<hr>'+content_html);
                    }
                }
            });
        {% endfor %}
    });
</script>
我在地图上显示了位置,但如果我有超过 2 个标记,我可以打开所有这些标记。我怎样才能同时打开一个信息公牛?(如果我打开一个信息公牛,所有其他信息都保持关闭)