AngularJS Ajax
AngularJS provides $http control which works as a service to read data from the server. The server makes a database call to get the desired records. AngularJS needs data in JSON format. Once the data is ready, $http can be used to get the data from server in the following manner:
functionstudentController($scope,$http) {
var url="data.txt";
$http.get(url).success( function(response) {
$scope.students = response;
});
}
Here, the file data.txt contains student records. $http service makes an ajax call and sets response to its property students. students model can be used to draw tables in HTML.
Examples
data.txt
[
{
"Name" : "Mahesh Parashar",
"RollNo" : 101,
"Percentage" : "80%"
},
{
"Name" : "Dinkar Kad",
"RollNo" : 201,
"Percentage" : "70%"
},
{
"Name" : "Robert",
"RollNo" : 191,
"Percentage" : "75%"
},
{
"Name" : "Julian Joe",
"RollNo" : 111,
"Percentage" : "77%"
}
]
testAngularJS.htm
<html>
<head>
<title>Angular JS Includes</title>
<style>
table, th , td {
border: 1px solid grey;
border-collapse: collapse;
padding: 5px;
}
table tr:nth-child(odd) {
background-color: #f2f2f2;
}
table tr:nth-child(even) {
background-color: #ffffff;
}
</style>
</head>
<body>
<h2>AngularJS Sample Application</h2>
<div ng-app="" ng-controller="studentController">
<table>
<tr>
<th>Name</th>
<th>Roll No</th>
<th>Percentage</th>
</tr>
<tr ng-repeat="student in students">
<td>{{ student.Name }}</td>
<td>{{ student.RollNo }}</td>
<td>{{ student.Percentage }}</td>
</tr>
</table>
</div>
<script>
functionstudentController($scope,$http) {
var url="data.txt";
$http.get(url).success( function(response) {
$scope.students = response;
});
}
</script>
<scriptsrc="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.15/angular.min.js"></script>
</body>
</html>
Output
To execute this example, you need to deploytestAngularJS.htm and data.txt file to a web server. Open the file testAngularJS.htm using the URL of your server in a web browser and see the result.
Angular HTTPRQEUST
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