<!doctype html>
<html ng-app="app">
<head>
<Meta charset="utf-8">
<script src="./angular-1.5.8/angular.js"></script>
</head>
<body>
<div ng-controller="ParentCtrl">
<div ng-controller="SelfCtrl">
<a ng-click="click($event)">click me</a>
<div ng-controller="ChildCtrl"></div>
</div>
<div ng-controller="BroCtrl"></div>
</div>
</body>
</html>
<script>
var phonecatControllers = angular.module('app',[]);
phonecatControllers.controller('SelfCtrl',function($scope) {
$scope.click = function () {
$scope.$broadcast('to-child','child');
$scope.$emit('to-parent','parent');
}
$scope.$on('to-parent',function(event,data) {
console.log('SelfCtrl to-parent',data); //父级能得到值
});
$scope.$on('to-child',data) {
console.log('SelfCtrl to-child',data); //父级能得到值
});
});
phonecatControllers.controller('ParentCtrl',function($scope) {
$scope.$on('to-parent',data) {
console.log('ParentCtrl to-parent',data) {
console.log('ParentCtrl to-child',data); //子级得不到值
});
});
phonecatControllers.controller('ChildCtrl',function($scope){
$scope.$on('to-child',data) {
console.log('ChildCtrl to-child',data); //子级能得到值
});
$scope.$on('to-parent',data) {
console.log('ChildCtrl to-parent',data); //父级得不到值
});
});
phonecatControllers.controller('BroCtrl',function($scope){
$scope.$on('to-parent',data) {
console.log('BroCtrl to-parent',data); //平级得不到值
});
$scope.$on('to-child',data) {
console.log('BroCtrl to-child',data); //平级得不到值
});
});
</script>
Output:
SelfCtrl to-child child
ChildCtrl to-child child
SelfCtrl to-parent parent
ParentCtrl to-parent parent
