关闭 Google Maps API v3 中的所有信息窗口 [英] Close all infowindows in Google Maps API v3

问题描述

我正忙于编写一个脚本，该脚本将在我的网站上制作带有多个标记的谷歌地图画布.我希望当您单击标记时，会打开一个信息窗口.我已经这样做了，代码现在是:

I am busy with a script that will make a google maps canvas on my website, with multiple markers. I want that when you click on a marker, a infowindow opens. I have done that, and the code is at the moment:

 var latlng = new google.maps.LatLng(-34.397, 150.644);
    var myOptions = {
      zoom: 8,
      center: latlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
    function addMarker(map, address, title) {
     geocoder = new google.maps.Geocoder();
     geocoder.geocode( { 'address': address}, function(results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
          map.setCenter(results[0].geometry.location);
          var marker = new google.maps.Marker({
     position: results[0].geometry.location,
              map: map,
              title:title
    });
    google.maps.event.addListener(marker, 'click', function() {
     var infowindow = new google.maps.InfoWindow();
            infowindow.setContent('<strong>'+title + '</strong><br />' + address);
             infowindow.open(map, marker);

          });
        } else {
          alert("Geocode was not successful for the following reason: " + status);
        }
     });
    }
    addMarker(map, 'Address', 'Title');
 addMarker(map, 'Address', 'Title');

这 100% 有效.但现在我希望当一个信息窗口打开时，你想打开第二个，第一个自动关闭.但我还没有找到办法做到这一点.infowindow.close();不会有帮助.有人有这个问题的例子或解决方案吗?

This works 100%. But now i want that when one infowindow is open, and you want to open the second, the first one automaticly closes. But i haven't found a way to do that. infowindow.close(); won't help. Has someone an example or a solution to this problem?

推荐答案

infowindow是局部变量，close()时window不可用

infowindow is local variable and window is not available at time of close()

var latlng = new google.maps.LatLng(-34.397, 150.644);
var infowindow = null;

...

google.maps.event.addListener(marker, 'click', function() {
    if (infowindow) {
        infowindow.close();
    }
    infowindow = new google.maps.InfoWindow();
    ...
});
...

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