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  • AngularJS http (ajax)

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    AngularJS has provided a $http service that works as an ajax call in jquery. It performs a function of reading data from the server. $http makes a call to the database and retrieves the desired data or records.

    How to use?

    1. you need to inject $http into your controller.
    2. you need to fire a method. There are several shortcut methods of the $http service:-
        •    .delete()
        •    .get()
        •    .head()
        •    .jsonp()
        •    .patch()
        •    .post()
        •    .put()

     To get the data you need to use .get() method. For example-

    mainApp.controller( "editprofileController", function( $scope, $http, $state ) {
        editProfileData['responsetype'] = 'json';
        console.log( JSON.stringify( editProfileData ) );
        var responsePromise = $http.get( BASE_URL+"editprofile",JSON.stringify( editProfileData ) );
            responsePromise.success( function( data, status, headers, config ) {
            console.log( JSON.stringify( data ) );
        $scope.displaymsg = data.message;
        });
        responsePromise.error( function ( data, status, headers, config ) {
            console.log( JSON.stringify( data ) );
        } );


    HTML-

    <div ng-app="mainApp"  ng-controller="editprofileController">
    
    <p>Today's welcome message is:</p>
    <h1>{{displaymsg}}</h1>
    
    </div>

    $http comes with two functions,i.e. what to do on success and what to do on failure or error condition.

    Note:- This is just an example. A simpler syntax is-

    var url = "data.txt";
    
       $http.get(url).success( function(response) {
    
    ......
    
    });

     

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