<body>
<div ng-controller="ParentCtrl"> <!--父级-->
<div ng-controller="SelfCtrl"> <!--自己-->
<a ng-click="click()">click me</a>
<div ng-controller="ChildCtrl"></div> <!--子级-->
</div>
<div ng-controller="BroCtrl"></div> <!--平级-->
</div>
<script src="angular.min.js"></script>
<script>
var app = angular.module("app",[]);
app.controller('SelfCtrl', function($scope) {
$scope.click = function () {
$scope.$broadcast('child', 'child12');
$scope.$emit('to-parent', 'parent');
}
});
app.controller('ParentCtrl', function($scope) {
$scope.$on('to-parent', function(event,data) {
console.log('ParentCtrl', data); //父级能得到值
});
$scope.$on('to-child', function(event,data) {
console.log('ParentCtrl', data); //子级得不到值
});
});
app.controller('ChildCtrl', function($scope){
$scope.$on('child', function(event,data) {
console.log('ChildCtrl', data); //子级能得到值
});
$scope.$on('to-parent', function(event,data) {
console.log('ChildCtrl', data); //父级得不到值
});
});
app.controller('BroCtrl', function($scope){
$scope.$on('to-parent', function(event,data) {
console.log('BroCtrl', data); //平级得不到值
});
$scope.$on('to-child', function(event,data) {
console.log('BroCtrl', data); //平级得不到值
});
});
</script>
</body>
