var $body = angular.element(document.body); // 1
var $rootScope = $body.scope().$root; // 2
$rootScope.$apply(function () { // 3
$rootScope.notesconfigs.outpath = path;
});
var appElement = document.querySelector('[ng-controller=mainController]');//获得绑定controllerdom节点
var $scope = angular.element(appElement).scope(); //获得$scope对象
$scope.$apply();//刷新数据
//获取当前元素的$socpe:
angular.element(domElement).scope() to get the current scope for the element
//获取当前app的injector:
angular.element(domElement).injector() to get the current app injector
//获取当前元素的controller:
angular.element(domElement).controller() to get a hold of the ng-controller instance.