Bootstrap+Angularjs自制弹框

指令
directive('bsPopup', function ($parse) {
        return {
            require: 'ngModel',
            restrict: 'A',
            link: function (scope, elem, attrs, ctrl) {
                scope.$watch(function () {
                    return $parse(ctrl.$modelValue)(scope);
                }, function (newValue) {
                    if (newValue ==) {
                        $(elem).modal('hide');
                        return;
                    }
                    if (newValue == ) {
                        $(elem).modal('show');
                        return;
                    }
                });
            }
        }
    });

 <button class="btn btn-xs btn-warning" data-target="#myModal" data-toggle="modal" ng-click="sss()">弹框</button>
        <div aria-hidden="true" aria-labelledby="myModalLabel" role="dialog" tabindex="-1" class="modal fade" bs-popup="" ng-model="test"
             id="myModal" style="display: none;">
            <div class="modal-dialog">
                <div class="modal-content">
                    <div class="modal-header alert-info">
                        <button aria-hidden="true" data-dismiss="modal" class="close" type="button">×</button>
                        <h4 id="myModalLabel" class="modal-title">弹框</h4>
                    </div>
                    <div class="modal-body">
                        <button class="btn btn-info" ng-click="hhh()">测试</button>
                    </div>
                </div>
                <!-- /.modal-content -->
            </div>
            <!-- /.modal-dialog -->
        </div>