Application of services in the ANGULARJS project

/**
* General Ajax Request Public service
*/
Mainmodule.factory (' MyService ', function ($http, $q) {
var service = {};
var baseUrl = '.. /‘;
var _url = ';
var _finalurl = ';
var _token = ';

/**
* Process Request Path
*/
var makeurl = function () {
_url = _url.split ("). Join (' + ');
_finalurl = BaseUrl +_url;
Return _finalurl
}

/**
* Set Request Path
*/
Service.seturl = function (URL) {
_url = URL;
}

Service.settoken = function (token) {
_token = token;
}

/**
* GET Request Path
*/
Service.geturl = function () {
return _url;
}

Service.gettoken = function () {
return _token;
}

/**
* $q. Defer () the role of several methods of constructing a deffered instance.
* If the asynchronous operation succeeds, the state of the Promise object is changed to "success" (that is, from pending to resolved) using the Resolve method, or if the asynchronous operation fails,
* Use the Reject method to change the state to "failed" (that is, from pending to rejected). Finally we return to deferred.promise and we can call the then method in a chain.
*/
Service.callituns = function () {
Makeurl ();
by calling the $q. Defferd returns the Deffered object as a chained call
/**
* Methods for Deffered objects
* 1.resolve (value): at declaration resolve (), indicates that the Promise object is transformed from pending state to resolve. Success Status
* 2.reject (reason): at declaration resolve (), indicates that the Promise object is transformed from pending state to rejected. Failure status
* 3.notify (value): at declaration notify (), indicates the Promise object unfulfilled state, which can be called multiple times before resolve or reject.
*/
var defrred = $q. Defer ();
$http ({
Method: ' Post ', url: _finalurl,headers: {' token ': _token}
}). Success (function (RESP) {
if (resp.success) {
Defrred.resolve (RESP);
}
})
/**
* Return Promise Object
* 1.then (ErrorHandler, Fulfilledhandler, Progresshandler):
The then method is used to listen for different states of a promise. ErrorHandler Monitor failed status,
* Fulfilledhandler Monitor fulfilled status, Progresshandler monitor unfulfilled (not completed) status.
* In addition, the notify callback may be called 0 to several times, providing a progress indication before resolving or rejecting (resolve and rejected).
* 2.catch (Errorcallback)--promise.then (NULL, errorcallback) shortcut
* 3.finally (callback)--allows you to see whether a promise is being executed or rejected, but does not modify the last value value.
* This can be used to do work that frees up resources or cleans up useless objects, whether promise is rejected or resolved. For more information, see the full documentation specification.
*/
return defrred.promise;
}

return service;
});

/* Apply the service in the controller */

/**
* Some JS file
*/
Mainmodule.controller (' Togetherctrl ', [' $scope ', ' $http ', ' $timeout ', ' $state ', ' MyService ',
function ($scope, $http, $timeout, $state, MyService) {
Set Request Path
var _url = ' kcsz/getcourselist.do '
Set method Setting Path
Myservice.seturl (_url);
Call Request Callback
/**
* Because Callitunes returns a Promise object, once our promise satisfies the
* We can call the. Then () method and set $scope.data.artistdata.
* will notice that our controller is very "thin". Because all of our logical and persistent data is stored in the service and not in the controller.
*/
Myservice.callituns (). Then (function (data) {
$scope. courserlist = Data.data;
Console.log (data);
});
}]);

Application of services in the ANGULARJS project