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我想在地圖顯示後顯示標記。我無法這樣做,不管有什麼錯誤。我確信快照是與數據和標記數組很好地創建。有沒有任何邏輯錯誤?請幫忙。爲什麼標記不顯示?
var apps = angular.module('appa',['firebase','uiGmapgoogle-maps']);
apps.controller('mainCtrl', function($firebaseObject,$scope){
var ref = firebase.database().ref();
var marker = [];
ref.once("value")
.then(function(snapshot)
{
snapshot.forEach(function(child)
{
var mark = {
id: child.child("Id").val(),
coords: {
latitude: child.child("Lat").val(),
longitude: child.child("Long").val()
},
options: { title: child.child("Alt").val() }
};
marker.push(mark);
});
});
$scope.map = {
center:
{
latitude: 67,
longitude: 24
},
zoom: 3
};
});
<body ng-app="apps">
<div id="map_canvas" ng-controller="mainCtrl">
<ui-gmap-google-map center="map.center" zoom="map.zoom">
<ui-gmap-marker ng-repeat="m in marker" coords="m.coords" options="m.options" idkey="m.id">
</ui-gmap-marker>
</ui-gmap-google-map>
</div>
<!--example-->
</body>