[英]Displaying data from MongoDB (MEAN Stack)
我試圖將一些數據從Mongo數據庫顯示到前端。 我正在使用MEAN堆棧,該堆棧相對較新。
我已經成功地將數據以JSON格式顯示在localhost URL(localhost:3030 / incidents),但是無法使干凈的數據顯示在前端(位於localhost:9000)。
到目前為止,這是服務器端我的代碼( router.js ):
"use strict";
var config = require('../config/database-config');
var Router = function (options) {
var self = this;
self.environment = options.environment;
self.route = function(app) {
var IncidentController = require('./controllers/incident-controller.js');
var IncidentModel = require('./models/incident-model.js');
var incidentModel = new IncidentModel(config[`${self.environment}`]);
console.log("Incident Model", incidentModel);
var incidentController = new IncidentController({model: incidentModel});
app.get('/api/incident/:id', incidentController.findIncidentById);
app.get('/incidents', incidentController.getAllIncidents);
};
return self;
};
module.exports = Router;
客戶端:
services.js:
'use strict';
angular.module('victimList.services', []).factory('Victim', function($resource) {
return $resource('http://localhost:3030/api/incident/:id');
});
data.js:
'use strict';
angular.module('victimList', [])
.service('victimList')
.controller('DataCtrl', ['victimService', function ($scope, victimService) {
victimService.getVictims(function(victims) {
$scope.victims = victims;
});
}])
.factory('victimSerivce', function($http) {
var getVictims = function(callback) {
$http.get('http://localhost:3030/incidents').success(function(data){
callback(data);
});
};
return {
getVictims: getVictims
};
});
app.js:
'use strict';
angular
.module('frontendApp', [
'ngAnimate',
'ngCookies',
'ngResource',
'ngRoute',
'ngSanitize',
'ngTouch',
'victimList',
])
.config(function ($routeProvider) {
$routeProvider
.when('/', {
templateUrl: 'views/main.html',
controller: 'MainCtrl',
controllerAs: 'main'
})
.when('/victims', {
templateUrl: 'views/victims.html',
controller: 'DataCtrl',
controllerAs: 'victims'
})
.otherwise({
redirectTo: '/'
});
});
victims.html:
<div ng-app="victimList">
<h1>Testing</h1>
<div ng-controller="DataCtrl">
<ul ng-repeat="victim in victims">
<li>1</li>
<li>{{ victim.firstname }} {{ victim.lastname }}</li>
</ul>
</div>
當我導航到localhost:9000 / victims頁面時,我得到了標頭標記,但沒有數據。 控制台顯示此錯誤:
Error: [$injector:unpr] Unknown provider: victimServiceProvider <- victimService <- DataCtrl
我可能會缺少什么? 在此先感謝您的幫助!
我想到了! 我需要添加以下內容:
angular.module('victimList', [])
.service('victimService')
.controller('DataCtrl', ['$scope', 'victimService', function ($scope, victimService) {
victimService.getVictims(function(victims) {
$scope.victims = victims;
});
}])
^^請注意,在第3行上添加了“ $ scope”。
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