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我正在嘗試使用angular-fullstack構建一個實時投票應用程序。除了當我收到投票時,我的所有工作都有效,我的百分比不會更新。我已經確定我需要調用$ scope。$ apply()以便讓Angular更新視圖,但我不確定如何使用angular-fullstack提供的socket.service.js來做到這一點。我在下面包括角度全堆棧工廠。我不確定是否在我的控制器中調用$ scope。$ apply()會有所作爲。我試圖將它稱爲我的socket.io函數的回調函數,但它似乎沒有什麼區別。我對MEAN和socket一般都很陌生,所以我很感激這個幫助。
謝謝!
angular.module('pollv1App')
.factory('socket', function(socketFactory) {
// socket.io now auto-configures its connection when we ommit a connection url
var ioSocket = io('', {
// Send auth token on connection, you will need to DI the Auth service above
// 'query': 'token=' + Auth.getToken()
path: '/socket.io-client'
});
var socket = socketFactory({
ioSocket: ioSocket
});
return {
socket: socket,
/**
* Register listeners to sync an array with updates on a model
*
* Takes the array we want to sync, the model name that socket updates are sent from,
* and an optional callback function after new items are updated.
*
* @param {String} modelName
* @param {Array} array
* @param {Function} cb
*/
syncUpdates: function (modelName, array, cb) {
cb = cb || angular.noop;
/**
* Syncs item creation/updates on 'model:save'
*/
socket.on(modelName + ':save', function (item) {
var oldItem = _.find(array, {_id: item._id});
var index = array.indexOf(oldItem);
var event = 'created';
// replace oldItem if it exists
// otherwise just add item to the collection
if (oldItem) {
array.splice(index, 1, item);
event = 'updated';
} else {
array.push(item);
}
cb(event, item, array);
});
編輯
這裏是我的控制器:
'use strict';
angular.module('pollv1App')
.controller('VisualizeCtrl', function ($scope, $http, socket) {
$scope.votes = [];
$scope.totalVotes = 0;
$scope.resetVotes = function(){
$http.get('/api/keywords/reset');
$scope.votes = [];
console.log('reset: ' + $scope.votes);
};
$http.get('/api/keywords').success(function(keywords){
$scope.keywords = keywords;
socket.syncUpdates('keyword', $scope.keywords);
socket.syncUpdates('sms', $scope.votes, function(){
$scope.$apply();
});
});
$http.get('/api/sms').success(function(smss){
$scope.votes = smss;
});
});
你能否也請說明你如何打電話/使用該服務? (看看你在做什麼) – BlaShadow 2014-10-06 19:56:25
@BlaShadow剛剛添加了我的控制器代碼。感謝您的期待! – anguiac7 2014-10-06 20:13:15