AngularJS 控制器之间传递数据,事件($emit(),$broadcast(),$on())
demo.html:Document父控制器中子控制器中varApp=angular.module('App',[]);App.controller("ParentController",['$scope',function($scope){$scope.parentClick=function(){//父控制器给子控制器传参数通过广播$scope.$broadcast("toChildEvent