state('producers', {
 url: '/producers',
 templateUrl: 'views/producers.html',
 controller: 'ProducersCtrl'
})
.state('producer', {
 url: '/producer/:producerId',
 templateUrl: 'views/producer.html',
 controller: 'ProducerCtrl'
})

.controller('ProducersCtrl', function ($scope, $state) {
 $scope.toProducer = function (producerId) {
  $state.go('producer', {producerId: producerId});
 };
});

.controller('ProducerCtrl', function ($scope, $state, $stateParams) {
 var producerId = $stateParams.producerId;
});

.factory('myFactory', function () {
 //定義factory返回對(duì)象
 var myServices = {}; 
 //定義參數(shù)對(duì)象
 var myObject = {};
 
 /**
  * 定義傳遞數(shù)據(jù)的set函數(shù)
  * @param {type} xxx
  * @returns {*}
  * @private
  */
 var _set = function (data) {
  myObject = data;  
 };

 /**
  * 定義獲取數(shù)據(jù)的get函數(shù)
  * @param {type} xxx
  * @returns {*}
  * @private
  */
 var _get = function () {
  return myObject;
 };

 // Public APIs
 myServices.set = _set;
 myServices.get = _get;
 
 // 在controller中通過(guò)調(diào)set()和get()方法可實(shí)現(xiàn)提交或獲取參數(shù)的功能
 return myServices;
 
});

.factory('addressFactory', ['$rootScope', function ($rootScope) {
 // 定義所要返回的地址對(duì)象 
 var address = {};
 
 // 定義components數(shù)組，數(shù)組包括街道，城市，國(guó)家等
 address.components = [];

 // 定義更新地址函數(shù)，通過(guò)$rootScope.$broadcast()設(shè)置全局事件'AddressUpdated'
 // 所有子作用域都能監(jiān)聽(tīng)到該事件
 address.updateAddress = function (value) {
 this.components = value.slice();
 $rootScope.$broadcast('AddressUpdated');
 };
 
 // 返回地址對(duì)象
 return address;
}]);

// 動(dòng)態(tài)獲取地址，接口方法省略
var component = {
 addressLongName: xxxx,
 addressShortName: xxxx,
 cityLongName: xxxx,
 cityShortName: xxxx   
};

// 定義地址數(shù)組
$scope.components = [];

$scope.$watch('components', function () {
 // 將component對(duì)象推入$scope.components數(shù)組
 components.push(component);
 // 更新addressFactory中的components
 addressFactory.updateAddress(components);
});

// 通過(guò)addressFactory中定義的全局事件'AddressUpdated'監(jiān)聽(tīng)地址變化
$scope.$on('AddressUpdated', function () {
 // 監(jiān)聽(tīng)地址變化并獲取相應(yīng)數(shù)據(jù)
 var street = address.components[0].addressLongName;
 var city = address.components[0].cityLongName;

 // 通過(guò)獲取的地址數(shù)據(jù)可以做相關(guān)操作，譬如獲取該地址周邊的商鋪，下面代碼為本人虛構(gòu)
 shopFactory.getShops(street, city).then(function (data) {
  if(data.status === 200){
   $scope.shops = data.shops; 
  }else{
   $log.error('對(duì)不起，獲取該位置周邊商鋪數(shù)據(jù)出錯(cuò): ', data);
  }
 });
});

// 定義并初始化localStorage中的counter屬性
$scope.$storage = $localStorage.$default({
 counter: 0
});

// 假設(shè)某個(gè)factory（此例暫且命名為counterFactory）中的updateCounter()方法
// 可以用于更新參數(shù)counter
counterFactory.updateCounter().then(function (data) {
 // 將新的counter值上傳到localStorage中
 $scope.$storage.counter = data.counter;
});

$scope.counter = $localStorage.counter;
$scope.$watch('counter', function(newVal, oldVal) {
 // 監(jiān)聽(tīng)變化，并獲取參數(shù)的最新值
 $log.log('newVal: ', newVal); 
});