angularjs factory,service,provider 自定义服务的不同
angularjs factory,service,provider 自定义服务的不同
angularjs框架学了有一段时间了,感觉很好用。可以把angularjs的app理解成php的class,controller是控制器,而内置服务和自定义服务就可以理解成models了。angularjs的内置服务多,例如:$scope,$rootScope,$http,$q,$resource,$routeProvider等等,下面来说一下怎么自定义服务
一,factory,service,provider自定义服务,services.js
- 'use strict';
- /* Services */
- var phonecatServices = angular.module('phonecatServices', []);
- phonecatServices.factory('facetorytest', ['$window', //factory方式
- function($window){
- var test = {
- firstname:"tank",
- lastname:function(){
- return "zhang";
- }
- };
- $window.alert('aaaa'); //内置服务可以注入
- return test;
- }
- ]);
- phonecatServices.service('servicetest', ['$window', //service方式
- function($window){
- $window.alert('bbbb'); //内置服务可以注入
- this.firstname = "tank";
- this.lastname = function(){
- return "zhang";
- }
- }
- ]);
- phonecatServices.provider('providertest',[ //provider方式,内置服务不可以注入
- function(){
- this.test = {
- "firstname":"tank",
- "lastname":"zhang"
- }
- this.$get = function () {
- return this.test;
- };
- }
- ]);
二,controller调用自定义模块,controllers.js
- 'use strict';
- /* Controllers */
- var phonecatControllers = angular.module('phonecatControllers', []);
- //写过js function的对这种调用方式,很熟悉,服务名称不能变
- function TestCtrl($scope,facetorytest,servicetest,providertest) {
- $scope.facetorytest = facetorytest.firstname+" "+facetorytest.lastname();
- $scope.servicetest = servicetest.firstname+" "+servicetest.lastname();
- $scope.providertest = providertest.firstname+" "+providertest.lastname;
- }
- //这种调用方式根jquery非常的像,服务名称也不能变
- phonecatControllers.controller('TestCtrl',function($scope,facetorytest,servicetest,providertest) {
- $scope.facetorytest = facetorytest.firstname+" "+facetorytest.lastname();
- $scope.servicetest = servicetest.firstname+" "+servicetest.lastname();
- $scope.providertest = providertest.firstname+" "+providertest.lastname;
- });
- //以注入的方式来调用,服务名称可以改变
- phonecatControllers.controller('TestCtrl',['$scope',"facetorytest","servicetest","providertest",
- function($scope,facetory111,service111,provider111) { //自定义,服务名称
- $scope.facetorytest = facetory111.firstname+" "+facetory111.lastname();
- $scope.servicetest = service111.firstname+" "+service111.lastname();
- $scope.providertest = provider111.firstname+" "+provider111.lastname;
- }
- ]);
三,创建app把上面的service和controller接合到一起。app.js
- 'use strict';
- /* App Module */
- var phonecatApp = angular.module('phonecatApp', [
- 'ngRoute',
- 'phonecatControllers', //上面定义的controller
- 'phonecatServices' //上面自定义的服务
- ]);
四,html中显示
- <!doctype html>
- <html lang="en" ng-app="phonecatApp">
- <head>
- <meta charset="utf-8">
- <title>Google Phone Gallery</title>
- <link rel="stylesheet" href="css/app.css">
- <link rel="stylesheet" href="css/bootstrap.css">
- <script src="lib/angular/angular.js"></script>
- <script src="lib/angular/angular-route.js"></script>
- <script src="js/app.js"></script>
- <script src="js/controllers.js"></script>
- <script src="js/services.js"></script>
- </head>
- <body >
- <div ng-controller="TestCtrl">
- <p>{{facetorytest}}</p>
- <p>{{servicetest}}</p>
- <p>{{providertest}}</p>
- </div>
- </body>
- </html>
- 显示结果:
- tank zhang
- tank zhang
- tank zhang
五,错误纠正
在网上看到,有人说service是不能注入内置服务器的,但是实际操作结果是provider是不能注入内置服务的。我用的angularjs的版本是AngularJS v1.2.14
- phonecatServices.provider('providertest',['$window',
- function($window){
- $window.alert('cccc'); //报错
- this.test = {
- "firstname":"tank",
- "lastname":"zhang"
- }
- this.$get = function () {
- return this.test;
- };
- }
- ]);