获取checkbox返回值

<div class="checkbox">

     <label>

         <input type="checkbox" value="0" name="全选" ng-checked="isSelected('0')" ng-click="updateSelection($event,'0')">全选

     </label>

     <label>

         <input type="checkbox" value="1" name="BANNER" ng-checked="isSelected('1')" ng-click="updateSelection($event,'1')">BANNER

     </label>

     <label>

         <input type="checkbox" value="2" name="资料库" ng-checked="isSelected('2')" ng-click="updateSelection($event,'2')">资料库

     </label>

     <label>

         <input type="checkbox" value="3" name="最新公告" ng-checked="isSelected('3')" ng-click="updateSelection($event,'3')">最新公告

      </label>

</div>

　　　　 $scope.selected=[];

        var updateSelected=function(action,value){

            if(action=="add"&&$scope.selected.indexOf(value)==-1){

                $scope.selected.push(value);

            }

            if(action=="remove"&&$scope.selected.indexOf(value)!=-1){

                var idx=$scope.selected.indexOf(value);

                $scope.selected.splice(idx,1);

            }

        }

        $scope.isSelected=function(value){

            if(value=="0"){

                return $scope.selected.indexOf("1")>=0&&$scope.selected.indexOf("2")>=0&&$scope.selected.indexOf("3")>=0;

            }else{

                return $scope.selected.indexOf(value)>=0;

            }

        }

        $scope.updateSelection=function(event,value){

            var checkbox=event.target;

            var action=(checkbox.checked?"add":"remove");

            if(value=="0"){

                updateSelected(action,"1");

                updateSelected(action,"2");

                updateSelected(action,"3");

            }else{

                updateSelected(action,value,checkbox.name);

            }

        }