Here are the steps to setup AngularJS in our application.
1. Create an app.js file in the app/js folder, app.css in the app/css folder
The source code for the app.js file should look like the following
'use strict';
angular.module('bankApp',['bankController']);
The code above defines the application name 'bankApp', and the modules that the application is dependent on ['bankController'] in this case the application is dependent on the bankController module. In the next step we will create the controller for the bankApp application
2. Add a folder in the "js" folder and call it "controllers" then create a file call "bankController.js" in the "controllers" folder and source code for the file should look like the following
'use strict';
angular.module('bankController',[])
.controller('bankController',["$scope",function($scope){
$scope.bankAppName="ACME Bank";
}]);
The code above registers a new module called bankcontroller with no dependencies. The controller itself passes in the angular object $scope. The $scope object in angular act as a conduit between the view and the controller. Meaning anything that is defined in the $scope object is accessible in the view (.html) page. In the example above we defined a variable in the $scope object call "bankAppName". Since it's defined in the controller we can now access the data from our view (index.html) page. Now we are ready to make some changes to our "index.html" page to make this an angularJS SPA application.
3. The source code file "index.html" should look like the following
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>ACME Bank</title> <link rel="stylesheet" type="text/css" href="css/app.css"> </head> <body> <script type="text/javascript" src="js/lib/angular/angular.js"></script> <script type="text/javascript" src="js/app.js"></script> <script type="text/javascript" src="js/controllers/bankController.js"></script> </body> </html>
The code above provides the plumbing for our SPA application. It's written using the HTML5 template format so that it is HTML5 compliant. The app.css contains all the styles associated with the application, the "angular.js" file contains the angularJS library framework. The "app.js" file contains the JavaScript codes that will be used for this application. The "controller.js" file contains the controller for the application.
AngularJS uses the MVC framework, Model-View-Controller. Basically they all work together to make the application work. In a simple explanation the model is the data, the view is what the users see, and the controller is the flow of the application. The next step is the define our application in the app.js file.
4. Open up the "index.html" file and make sure the source code looks like the following.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>ACME Bank</title>
<link rel="stylesheet" type="text/css" href="app.css">
</head>
<body ng-app="acmeBank" ng-controller="bankController">
{{bankAppName}}
<script type="text/javascript" src="js/lib/angular/angular.js"></script>
<script type="text/javascript" src="js/app.js"></script>
<script type="text/javascript" src="js/controllers/bankController.js"></script>
</body>
</html>
All we want to see that our $scope.bankAppName AngularJS variable can be accessed in our index.html file.
5. Now open the index.html file in a browser to see that AngularJS is set up correctly
github: https://github.com/techjunkiejh/ACMEBank/tree/Setup
Posts In The AngularJS SPA Application Series:
- AngularJS SPA : Setting Up ACME Bank
- AngularJS SPA : Preparing AngularJS For Banking Application
- Refactor Code to Not Use Global Variables (ACME App)
- Installing MongoDB
- Create a MongoDB Configuration FIle
- Install mongoDB as a Windows Service
- Installing Express generator
- Installing ExpressJS Application Server
- Creating The SPA Project Folder Structure
- Setup Express To Serve Static Files
- Setup The ACME Bank Application For Heroku And Testing It Locally
- Deploy ACME Bank Application To Heroku
- Install RoboMongo GUI for MongoDB
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