我一直在尝试弹出一个信息气泡,但它根本没有弹出,也没有抛出任何错误。我在以下代码中遗漏了什么吗?
索引.html
<!-- Loading here maps -->
<script type="text/javascript" charset="UTF-8"
src="http://js.api.here.com/v3/3.0/mapsjs-core.js"></script>
<script type="text/javascript" charset="UTF-8"
src="http://js.api.here.com/v3/3.0/mapsjs-service.js"></script>
<script type="text/javascript" charset="UTF-8"
src="http://js.api.here.com/v3/3.0/mapsjs-mapevents.js"></script>
<script type="text/javascript" charset="UTF-8"
src="http://js.api.here.com/v3/3.0/mapsjs-ui.js"></script>
控制器.js
$scope.plotMarker = function(lat,lon, location){
//Step 1: initialize communication with the platform
var platform = new H.service.Platform({
app_id: '<your App id>',
app_code: '<Your App code',
// useCIT: true // I really wish to know what this useCIT stands for
});
var defaultLayers = platform.createDefaultLayers();
//Step 2: initialize a map - not specificing a location will give a whole world view.
var map = new H.Map(document.getElementById('map_canvas'),
defaultLayers.normal.map);
//Step 3: make the map interactive
// MapEvents enables the event system
// Behavior implements default interactions for pan/zoom (also on mobile touch environments)
var behavior = new H.mapevents.Behavior(new H.mapevents.MapEvents(map));
// Create the default UI components
ui = H.ui.UI.createDefault(map, defaultLayers);
// Now use the map as required...
moveMapToBerlin(map, lat, lon);
};
/**
* Moves the map to display over Berlin
*
* @param {H.Map} map A HERE Map instance within the application
*/
function moveMapToBerlin(map, lat, lon){
map.setCenter({lat:lat, lng:lon});
map.setZoom(14);
// Create a marker icon from an image URL:
var icon = new H.map.Icon('images/redpin.png');
// Create a marker using the previously instantiated icon:
var marker = new H.map.Marker({ lat: lat, lng: lon }, { icon: icon });
// Add the marker to the map:
map.addObject(marker);
// alert(map.getZoomLevel());
map.addEventListener('tap', function (evt) {
map.setCenter(evt.target.getPosition());
openBubble({lng: lon, lat: lat}, '<b>Hello World!</b>');
// $( '.H_ib' ).css( "font-size", "12px" );
// $( '.H_ib_content' ).css( "min-width", "290px" );
// $( '.H_ib_content' ).css( "font", "12px/14px 'Helvetica Neue',Arial,Helvetica,sans-serif" );
}, false);
}
/**
* Opens/Closes a infobubble
* @param {H.geo.Point} position The location on the map.
* @param {String} text The contents of the infobubble.
*/
function openBubble(position, text){
alert(bubble);
if(!bubble){
bubble = new H.ui.InfoBubble(
position,
{content: text});
ui.addBubble(bubble);
alert(angular.toJson(position));
} else {
bubble.setPosition(position);
bubble.setContent(text);
bubble.open();
}
}
似乎正在执行 open Bubble 方法,因为本节中会弹出所有警报,但 ifo 气泡似乎没有以任何方式出现。
有人知道为什么这段代码会这样吗?