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Activity › Forums › Salesforce® Discussions › How can I use AngularJS on Visualforce page if I want to invoke a method of controller?

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  • Abhay

    Member
    April 14, 2016 at 10:54 AM

    You can check http://www.algoworks.com/blog/develop-salesforce-visualforce-apps-using-angularjs/

    It should work.

  • Parul

    Member
    September 20, 2018 at 12:46 AM

    Hi,

    Here is the sample code:-

    Visualforce page

    <apex:page standardStylesheets="false" sidebar="false"
    showHeader="false" applyBodyTag="false" applyHtmlTag="false"
    docType="html-5.0" controller="AngularDemoController">
    <html lang="en" ng-app="demoApp">
    <head>
    <meta charset="utf-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>
    <title>Angular Demo</title>
    <link rel="stylesheet" href="<a class="vglnk" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css"/" rel="nofollow"><span>https</span><span>://</span><span>maxcdn</span><span>.</span><span>bootstrapcdn</span><span>.</span><span>com</span><span>/</span><span>bootstrap</span><span>/</span><span>3</span><span>.</span><span>3</span><span>.</span><span>2</span><span>/</span><span>css</span><span>/</span><span>bootstrap</span><span>.</span><span>min</span><span>.</span><span>css</span><span>"/</span></a>>
    <script src="<a class="vglnk" href="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.11/angular.min.js" rel="nofollow"><span>https</span><span>://</span><span>ajax</span><span>.</span><span>googleapis</span><span>.</span><span>com</span><span>/</span><span>ajax</span><span>/</span><span>libs</span><span>/</span><span>angularjs</span><span>/</span><span>1</span><span>.</span><span>3</span><span>.</span><span>11</span><span>/</span><span>angular</span><span>.</span><span>min</span><span>.</span><span>js</span></a>"></script>
    <script>
    // define the app
    var demoApp = angular.module('demoApp', []);
    // add the controller
    demoApp.controller('DemoCtrl', function ($scope) {
    $scope.account = {!account}
    $scope.contacts = {!contacts}
    });
    </script>
    </head>
    <body class="container" ng-controller="DemoCtrl">
    <h1 style="color:Green">{{account.Name}}</h1>
    <p class="lead" style="color:Gray">
    {{account.BillingStreet}}<br/>
    {{account.BillingCity}}, {{account.BillingState}}
    {{account.BillingPostalCode}}
    </p>
    <b>Search</b>&nbsp;&nbsp;&nbsp;<input ng-model="query" /><br/><br/>

    <table class="table table-bordered">
    <tr>
    <th>Name</th>
    <th>Email</th>
    <th>Id</th>
    </tr>
    <tr ng-repeat="contact in contacts | filter:query">
    <td>{{contact.Name}}</td>
    <td>{{contact.Email}}</td>
    <td>{{contact.Id}}</td>
    </tr>
    </table>
    </body>
    </html>
    </apex:page>

    Apex Class:

    global with sharing class AngularDemoController {
    // hardcode an account id for demo purposes
    static String accountId = '00128000003u3uK';

    global static String getAccount() {
    return JSON.serialize([select name, billingstreet,
    billingcity, billingstate, billingpostalcode
    from account where id = :accountId][0]);
    }

    global static String getContacts() {
    return JSON.serialize([select id, name, email
    from contact where accountId = :accountId]);
    }
    }

  • shariq

    Member
    September 20, 2018 at 7:37 PM

    Hi,

    If you need to display Salesforce data to people other than those that have Salesforce accounts, Visualforce pages is the best way to go. It allows users to view, edit, or even add data without exposing the data to third party systems. For developers creating Visualforce apps is way easier than creating ad-hoc third party web apps that call upon Salesforce data.

    Seeing the popularity of Visualforce, Salesforce started expanding upon the product and within few years of its launch we saw support for jQuery, brand new REST API, and ForceTK; a JS proxy calling library. However, the game changer for Salesforce and JavaScript development was when Salesforce allowed JavaScript remoting for Apex Controllers. JS remoting allowed you to access server side apex controller methods through JS directly. Along with Remote Objects, this allowed more flexibility and dynamic usage of Visualforce pages resulting in an even greater adoption of the tool. More and more organizations were depending upon Visualforce pages to display data to clients, partners, and other users now. This called for a more appealing UI for the Visualforce pages and frontend JS framework and libraries were naturally called into the fray. AngularJS being the most popular one was naturally the favorite for the task of creating eye candy dynamic Visualforce pages.

    In our previous post we talked about why exactly AngularJS is great for creating Visualforce pages. In this post, we will talk about the HOWS. I am assuming that you have some general understanding of AngularJS framework, Salesforce Visualforce pages, and have experience with JavaScript.

    JavaScript saw a renewed interest partially because of the success of its frameworks and partially because of greater need for a more visually appealing mobile friendly single page application. In Visualforce pages, the backend part is not that flexible but that’s because of the level of security that comes with Visualforce. The frontend part, on the other hand, is all yours. So frontend frameworks like AngularJS are greatly preferred to create organized, structured applications having good response times.

    Now considering that each Visualforce app involves around CRUD (create, read, update, delete) operations on Salesforce data, there are three prevalent approaches for fetching and binding data from Salesforce to Visualforce controllers.

    Creating JavaScript Remote objects and using it with Visualforce,
    Using JSON,
    And using ForceTK libraries along with AngularJS libraries.

    The differences are subtle in small apps but as the complexity of your app grows, the difference would be more prominent.

    The beauty of Visualforce pages is that you can start coding from the word go without opening or uploading multiple files to a server or such. So here I am assuming that you have an understanding about VF pages and can create a standalone page in the SFDC setup.

    Hope this helps

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