angularJS：如何在父范围中调用子范围函数

angularJS：如何在父范围中调用子范围函数

您可以

$broadcast

从父母到孩子使用：

function ParentCntl($scope) {    $scope.msg = "";    $scope.get = function(){        $scope.$broadcast ('someEvent');        return  $scope.msg; }}function ChildCntl($scope) {        $scope.$on('someEvent', function(e) {          $scope.$parent.msg = $scope.get();     });    $scope.get = function(){        return "LOL";        }}

工作jsfiddle：http :
//jsfiddle.net/wUPdW/2/

更新 ：还有另一个版本，耦合性更低，更易于测试：

function ParentCntl($scope) {    $scope.msg = "";    $scope.get = function(){        $scope.$broadcast ('someEvent');        return  $scope.msg; }    $scope.$on('pingBack', function(e,data) {          $scope.msg = data; });}function ChildCntl($scope) {        $scope.$on('someEvent', function(e) {          $scope.$emit("pingBack", $scope.get()); });    $scope.get = function(){        return "LOL";        }}

jsfiddle：http :
//jsfiddle.net/uypo360u/