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源代碼:

<html>
   
   <head>
      <meta charset="utf-8">
      <title>AngularJS  依賴注入</title>
   </head>
   
   <body>
      <h2>AngularJS 簡單應用</h2>
      
      <div ng-app = "mainApp" ng-controller = "CalcController">
         <p>輸入一個數字: <input type = "number" ng-model = "number" /></p>
         <button ng-click = "square()">X<sup>2</sup></button>
         <p>結果: {{result}}</p>
      </div>
      
      <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
      
      <script>
         var mainApp = angular.module("mainApp", []);
         
         mainApp.config(function($provide) {
            $provide.provider('MathService', function() {
               this.$get = function() {
                  var factory = {};
                  
                  factory.multiply = function(a, b) {
                     return a * b;
                  }
                  return factory;
               };
            });
         });
			
         mainApp.value("defaultInput", 5);
         
         mainApp.factory('MathService', function() {
            var factory = {};
            
            factory.multiply = function(a, b) {
               return a * b;
            }
            return factory;
         });
         
         mainApp.service('CalcService', function(MathService){
            this.square = function(a) {
               return MathService.multiply(a,a);
            }
         });
         
         mainApp.controller('CalcController', function($scope, CalcService, defaultInput) {
            $scope.number = defaultInput;
            $scope.result = CalcService.square($scope.number);

$scope.square = function() {
               $scope.result = CalcService.square($scope.number);
            }
         });
			
      </script>
      
   </body>
</html>

運行結果：

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