In AngularJS you can send AJAX requests in several different ways.Following are the ways :
1. AJAX calls via the $http service
2. JSONP calls via the $http service
3. REST type calls
The $http service:
The $http service is the easiest way to send AJAX calls.
$http functions:
$http.get(url, config)$http.post(url, data, config)$http.put(url, data, config)$http.delete(url, config)$http.head(url, config)
Parameter ‘data’ is send to server.The data parameter will be converted to a JSON string.
Example:
To make AJAX call you can use ng-click ,
<button ng-click=”myData.doClick(item, $event)”>Send AJAX Request</button>
write your method in <script> tag.
angular.module(“myapp”, [])
.controller(“MyController”, function($scope, $http) {
$scope.myData = {};
$scope.myData.doClick = function(item, event) {
var responsePromise = $http.get(“/angularjs-examples/json-test-data.jsp”);
responsePromise.success(function(data, status, headers, config) {
$scope.myData.fromServer = data.title;
});
responsePromise.error(function(data, status, headers, config) {
alert(“AJAX failed!”);
});
}
} );
The the $http.get() function returns a “promise” object. This promise object has a success() and an error() function. By calling these functions and pass a function to them as parameter you can control what happens when the AJAX call finishes.
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