如何取消angularjs中的承诺？

Question

我有一项名为SuperFactory的服务。此服务使用fetch方法从网址中提取一些数据。

此服务由SuperController

使用

在我的控制器中，如何在运行时取消此HTTP请求（承诺）？

这是我的SuperFactory.js

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angular
	.module('app')
	.factory('SuperFactory', FetchData)

function SuperFactory($http, $q, $timeout) {
  return {
    fetch: function(name, limit) {
      var fullURL = "http://example.com?id=5;

      var defer = $q.defer();

      var timeoutPromise = $timeout(function() {
        console.log("Timed out");
        defer.reject("Timed out"); //reject the service in case of timeout
      }, 10000);

      var promise = $http.get(fullURL).
      then(function(response) {

        $timeout.cancel(timeoutPromise); //cancel the timeout
        //response = cleanUpResponse(response);
        response = response.data;
        defer.resolve(response);

        return response;
      }, function(response) {
        return 0;
      });

      return defer.promise;
    }
  };
}

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这是我的SuperController.js

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angular
  .module('app')
  .controller('SuperController', SuperController)

function SuperController($scope, SuperFactory, $q, $timeout, $http) {

  SuperFactory.fetch()
    .then(function(data) {
      console.log(data);
    }, function(error) {
      // promise rejected
    });
}

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