resolve of angularJS

1 a resove. 

$routeProvider.when('/users', {
  templateUrl: '...',
  controller: 'UserListController',
  resolve: {
    users: function(User) {
      return User.getAll();
    }
  }
});

app.controller('UserListController', function(users) {
  $scope.users = users;
});

2. $q.all

$routeProvider.when('/users', {
  templateUrl: '...',
  controller: 'UserListController',
  resolve: {
    data: function(User, Post, $q) {
      deferred = $q.defer();

      $q.all([User.getAll, Post.getTops()]).then(function(results) {
        deferred.resolve({
          users: results[0],
          posts: results[1]
        })
      });

      return deferred.promise;
    }
  }
}); 

ref: boiajs . c om/ 2015/ 08/ 27/ angular-route-use-resolve