[英]How to use ng-class within a dropdownlist
我不熟悉AngularJS中的ng-class,我需要知道如何在选择选项后禁用AngularJS中的选择列表,而在未选择任何选项的情况下启用它。不为空则禁用选择列表。 这是我尝试过的方法,但是没有用
的HTML
<select class="categories" ng-class="{'disabled':Model.CurrentDowntime.CategoryId !== 0}" ng-model="Model.CurrentDowntime.CategoryId" ng-options="downtimeCategory.CategoryId as downtimeCategory.CategoryName for downtimeCategory in Model.DowntimeCategories">
</select>
JS
angular.module('myApp', [])
.controller('DowntimeController', function ($scope, $http) {
$scope.Model = new Model($http);
$scope.Model.CurrentDowntime = {};
});
disabled
是属性,而不是类。 使用ng-disabled :
<select class="categories"
ng-disabled="Model.CurrentDowntime.CategoryId !== undefined"
ng-model="Model.CurrentDowntime.CategoryId"
ng-options="downtimeCategory.CategoryId as downtimeCategory.CategoryName for downtimeCategory in Model.DowntimeCategories">
</select>
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