angular js实现开关效果

         $scope.lidata = [
                {"name":"Terry","age":12},
                {"name":"Jenifer","age":45},
                {"name":"Garry","age":36},
                {"name":"Tao","age":24},
                {"name":"Lee","age":34},
         ];
　　　　　$scope.sortTmp = false;
    　　 $scope.sortFn = function(arg){
        　　$scope.sortTmp = !$scope.sortTmp;  //在这实现点击的切换
        　　$scope.lidata = $filter(‘orderBy‘)($scope.lidata, arg, $scope.sortTmp);
        }

        <table style="margin-left:20px">
            <tr>
                <th ng-click = "sortFn(‘name‘)">姓名</th>
                <th ng-click = "sortFn(‘age‘)">年龄</th>
            </tr>
            <tr ng-repeat = "data in lidata">
                <td>{{data.name}}</td>
                <td>{{data.age}}</td>
            </tr>
        </table>

        $scope.sortFn = function(arg){
            arguments.callee["sortFn" + arg] = !arguments.callee["sortFn" + arg]
            $scope.lidata = $filter(‘orderBy‘)($scope.lidata,arg,arguments.callee["sortFn" + arg]);
        }