app.controller("mainController",['$anchorScroll','$scope','$location',function($anchorScroll,$scope,$location){
$scope.forms={};
}]);
app.controller("modalController",['$scope',function($scope){
$scope.forms.contactForm = false;
$scope.forms.toggleContactForm = function(){
$scope.forms.contactForm = !$scope.forms.contactForm;
}
}]);
<body ng-controller="mainController">
<div ng-class="{hidden:!forms.contactForm}" id="contactForm" ng-controller="modalController"></div>
</body>
app.controller("mainController",['$anchorScroll','$scope','$location',function($anchorScroll,$scope,$location){
}]);
app.controller("modalController",['$scope',function($scope){
$scope.contactForm = false;
$scope.toggleContactForm = function(){
$scope.contactForm = !$scope.contactForm;
}
}]);
<body ng-controller="mainController">
<div ng-class="{hidden:!contactForm}" id="contactForm" ng-controller="modalController"></div>
</body>
答案 0 :(得分:4)
因为在第一种情况下,您通过引用值访问$scope.forms
(两个控制器指向内存中的相同值),在第二种情况下,您只需在子控制器中创建一个布尔基元,在这种情况下父母完全没有意识到它(反之亦然)。