您可以使用$broadcast
将事件广播到rootScope
并使用$on
定义侦听器来侦听此特定事件。
function ControllerA($scope, myService, $rootScope) {
$scope.message = myService.getMessages();
$scope.updateMessage = function () {
$scope.message = 'Hello Max';
$rootScope.$broadcast("HelloEvent", {
msg: $scope.message
});
};
}
function ControllerB($scope, myService, $rootScope) {
$scope.message = myService.getMessages();
$rootScope.$on("HelloEvent", function (event, message) {
$scope.message = message.msg;
});
}
Updated:
在您更新问题之前我得到了上述解决方案。如果您不想使用 $broadcast 或 $on,您可以通过以下方式共享该对象$rootScop
喜欢这个
function ControllerA($scope, myService, $rootScope) {
$scope.message = myService.getMessages();
$scope.updateMessage = function () {
$scope.message = 'Hello Max';
$rootScope.message = 'Hello Max';
};
}
function ControllerB($scope, myService, $timeout, $rootScope) {
$scope.message = myService.getMessages();
$rootScope.$watch('message', function (oldV, newV) {
if(oldV === undefined && oldV === newV) return;
$scope.message = $rootScope.message;
});
}
Demo using broadcast
Demo without using broadcast