angularjs的ng-keyup事件

angular学习笔记02 angular指令大全<input ng-keyup="event=$event">
//<p>event keyCode: {{ event.keyCode }}</p>
//<p>event altKey: {{ event.shiftKey }}</p>
myApp.directive('ngEnter', function () {
   return function (scope, element, attrs) {
     element.bind("keydown keypress", function (event) {
       if (event.which === 13) {
         scope.$apply(function () {
           scope.$eval(attrs.ngEnter);
         });
         event.preventDefault();
       }
     });
   };
 });
 
在对应的控制器中的$scope上绑定一个shirtKeyCheck方法
$scope.shirtKeyCheck=function($event){
  if($event.keyCode==13){//回车13，shift键为16 
    alert('按下了回车键');
  }
}