![](/img/trans.png)
[英]why angularjs directive inherit the scope but doesn't change the scope variable?
[英]AngularJs $scope variable doesn't change
我的應用程序中有這樣的Andularjs代碼:
angular.module('FlickrMaps', ['SignalR'])
.factory('PhotoMarkers', ['$rootScope', 'Hub', function ($rootScope, Hub) {
var PhotoMarkers = this;
//Hub setup
var hub = new Hub('photos', {
listeners: {
'addTotalPhotosCount': function (total) {
PhotoMarkers.totalCount = total;
$rootScope.$apply();
},
'initPhotoMarker': function (photo) {
var photolocation = new window.google.maps.LatLng(photo.Latitude, photo.Longitude);
var marker = new window.google.maps.Marker({
position: photolocation,
title: photo.Title,
photoThumb: photo.PhotoThumbScr,
photoOriginal: photo.PhotoOriginalScr
});
window.google.maps.event.addListener(marker, 'click', function () {
$rootScope.$broadcast('markerClicked', marker);
});
PhotoMarkers.all.push(marker);
$rootScope.$apply();
},
'photosProcessed': function () {
PhotoMarkers.processedPhotosCount++;
if (PhotoMarkers.processedPhotosCount == PhotoMarkers.totalCount && PhotoMarkers.processedPhotosCount > 0) {
$rootScope.$broadcast('markersLoaded');
}
$rootScope.$apply();
},
},
methods: ['loadRecentPhotos'],
errorHandler: function (error) {
console.error(error);
}
});
//Variables
PhotoMarkers.all = [];
PhotoMarkers.processedPhotosCount = 0;
PhotoMarkers.totalCount = 0;
//Methods
PhotoMarkers.load = function () {
hub.promise.done(function () { //very important!
hub.loadRecentPhotos();
});
};
return PhotoMarkers;
}])
.controller('MapController', ['$scope', 'PhotoMarkers', function ($scope, PhotoMarkers) {
$scope.markers = PhotoMarkers;
$scope.image = '123';
$('#myModal').modal({
backdrop: 'static',
keyboard: false
});
$scope.$on('markerClicked', function (event, data) {
console.log(data.photoThumb);
$scope.omfg = 'nkfglfghlfghflj';
});
$scope.$on('markersLoaded', function () {
$('#myModal').modal('toggle');
$scope.image = 'lol';
var mapOptions = {
zoom: 4,
center: new window.google.maps.LatLng(40.0000, -98.0000),
mapTypeId: window.google.maps.MapTypeId.TERRAIN
};
console.log(PhotoMarkers.all);
$scope.map = new window.google.maps.Map(document.getElementById('map-canvas'), mapOptions);
var markerCluster = new MarkerClusterer($scope.map, $scope.markers.all);
});
}])
$ broadcast和$ on服務可以正常工作,但是當我嘗試在markerClicked事件上更改$ scope.image變量時,它在視圖頁面上沒有更改,但對於markersLoaded卻發生了變化。 有人有什么想法嗎? 我嘗試了很多方法來修復它...
您需要將其包裝在$apply
因為您在angular外部的回調中:
window.google.maps.event.addListener(marker, 'click', function () {
$rootScope.$apply(function() {
$rootScope.$broadcast('markerClicked', marker);
});
});
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.