max*_*yoo 10 javascript google-maps google-maps-api-3 google-maps-markers
我已经阅读了文档和示例,但是当我尝试包含markerwithlabel.js文件时,我似乎无法解决初始化错误("Uncaught ReferenceError:google未定义"+未捕获的ReferenceError:homeLatLng未定义),它让我想起"在地图完成之前你无法加载东西"概率.
我能做什么？
尝试了什么:
<head>
<script async defer src="https://maps.googleapis.com/maps/api/js?key=mykey&callback=initMap"></script>
<script type="text/javascript" src="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerwithlabel/src/markerwithlabel.js"></script>
<script type="text/javascript">
var map;
function initMap() {
map = new google.maps.Map(document.getElementById('map'), {
zoom: 14,
center: {lat: 52.5200066, lng: 13.404954}
});
var marker1 = new MarkerWithLabel({
position: homeLatLng,
draggable: true,
raiseOnDrag: true,
map: map,
labelContent: "$425K",
labelAnchor: new google.maps.Point(22, 0),
labelClass: "labels", // the CSS class for the label
labelStyle: {opacity: 0.75}
});
}
</script>
..
Dr.*_*lle 16
markerwithlabel.js需要已经加载的maps-API.
当您异步加载maps-API时(就像在代码中一样),无法保证在加载markerwithlabel.js时加载maps-API.
解决方案:同步加载maps-API
<script src="https://maps.googleapis.com/maps/api/js?v=3&key=mykey"></script>
<script type="text/javascript" src="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerwithlabel/src/markerwithlabel.js"></script>
<script type="text/javascript">
var map;
function initMap() {
map = new google.maps.Map(document.getElementById('map'), {
zoom: 14,
center: {lat: 52.5200066, lng: 13.404954}
});
var marker1 = new MarkerWithLabel({
position: homeLatLng,
draggable: true,
raiseOnDrag: true,
map: map,
labelContent: "$425K",
labelAnchor: new google.maps.Point(22, 0),
labelClass: "labels", // the CSS class for the label
labelStyle: {opacity: 0.75}
});
}
google.maps.event.addDomListener(window, 'load', initMap);
</script>