当我将带有方向的 Google 地图 (v3) 加载到对用户隐藏的 div 中时,生成的地图不会正确缩放和居中。我尝试触发一个resize
事件,但这只是部分解决了问题。
通常在加载带有路线的地图时,API 会自动找到最佳视图(即缩放级别和中心)以显示整个旅程。任何想法我做错了什么?
请参阅JsFiddle
<button id="show">Show</button>
<div id="a">
<div id="map_wrapper" style="display:none">
<div id="map_canvas" style="height: 354px; width:713px;"></div>
</div>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&callback=initialize"></script>
<script>
var directionsService,
directionsDisplay,
map;
function initialize() {
directionsService = new google.maps.DirectionsService();
directionsDisplay = new google.maps.DirectionsRenderer();
var mapOptions = { mapTypeId: google.maps.MapTypeId.ROADMAP, disableDefaultUI: true }
map = new google.maps.Map(document.getElementById('map_canvas'), mapOptions);
directionsDisplay.setMap(map);
var start = 'New York, NY';
var end = 'Chicago, IL';
var request = { origin: start, destination: end, travelMode: google.maps.DirectionsTravelMode.DRIVING };
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
</script>
</div>
和javascript:
$(document).ready(function(e) {
$('#show').on('click', function() {
$('#map_wrapper').show();
google.maps.event.trigger(map, "resize");
});
});