Google Maps Infowindow中的Symfony动态通配符

我在Symfony3中有一个小型应用程序，带有一个Google地图，显示了从数据库注入的一些位置。我想要实现的是在Google Maps的infoWindows内放置指向每个位置页面的链接。位置页面的通配符是这样的：

location/{id}

因此，<a>标记href应为以下内容：

<a href="{{ path('location', {'id': location.id }) }}">

这是包含所有数据的JSON：

"[
    {"id":72,"name":"Stintino","lat":"40.94013320","lng":"8.223588900000"},
    {"id":73,"name":"Cagliari","lat":"39.22384110","lng":"9.121661300000"},    
    {"id":74,"name":"La maddalena","lat":"41.21655380","lng":"9.404712200000"},
    {"id":75,"name":"Sassari","lat":"40.72592690","lng":"8.555682600000"},    
    {"id":76,"name":"Oristano","lat":"39.90618200","lng":"8.588386300000"},    
    {"id":77,"name":"Spiaggia-del-oetto","lat":"39.20861110","lng":"9.169166700000"}
]"

还有我在树枝模板中的javascript代码：

    {% extends 'base.html.twig' %}
{% block content %}
{% block javascripts%}
<script src="{{ asset('bundles/fosjsrouting/js/router.js') }}"></script>
<script src="{{ path('fos_js_routing_js', { callback: 'fos.Router.setData' }) }}"></script>
<script type="text/javascript">     


    var locations = JSON.parse('{{ locations | raw }}');
    console.log(locations);
    var map = new google.maps.Map(document.getElementById('wsMap'), {
      zoom: 7,
      center: new google.maps.LatLng(40.0562194, 7.8577928),
      disableDefaultUI: true,
      scrollwheel: false,
      draggable: true,
    });
    var infowindow = new google.maps.InfoWindow();
    var marker, i;

    for (i = 0; i < locations.length; i++) {
        marker = new google.maps.Marker({
            position: new google.maps.LatLng(locations[i]['lat'], locations[i]['lng']),
            map: map,
            title: locations[i]['name']
        });
        var idloc = locations[i]['id'];
        var contentString = Routing.generate("location", { id: idloc });
        var url = '<a href="'+contentString+'">link</a>';
        alert(url);
        google.maps.event.addListener(marker, 'click', (function(marker, i) {
        return function() {
            infowindow.setContent(url);
            infowindow.open(map, marker);
            }
        })(marker, i));
    }

</script>
{% endblock %}
<div id="wsMap" style="width: 100%; height:800px"></div>

{% endblock %}

您知道如何连接所有字符串以及变量以正确显示infoWindows内部的链接吗？

编辑

添加FOSJsRoutingBundle和routing.generate函数之后，我仅获得在地图的所有信息窗口中生成的最后一条路线。但是在警报窗口中，我得到了所有路线！（请参见上面编辑的代码）。不幸的是，我的JavaScript技能很差。