AngularJS入门基础——$provide.decorator 实例讲解

2024-04-06 14:11:46

<body ng-controller="OneController">

<script>
var Foobar = function() {
      return {
        "name": "lin"
      }
    };
    angular.module('myApp', [])
    .controller('OneController', function($scope, emailService) {
      $scope.resole = emailService.sendWithSignature("lin", "how are you !");
      alert($scope.resole);
    })
    .service('emailService', function() {
      this.email = "give me!";

      this.setContent = function(content) {
        this.email = content;
      };

      this.send = function(recipient) {
        return 'sending "' + this.email + '" to ' + recipient;
      };
    })
    .config(function($provide) {
      $provide.decorator('emailService', function($delegate) {
        $delegate.sendWithSignature = function(recipient, signature) {
          return 'sending "' + this.email + '" to ' + recipient + " by " + signature;
        };
        return $delegate;
      });
    });

</script>
</body>

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