我们可以将ng-controller和ng-repeat附加到同一DOM元素吗?小提琴
这是HTML:
<table>
<tbody ng-controller="UserController" ng-repeat="user in users" ng-click="toggleSelectedUser()" ng-switch on="isSelectedUser()">
<tr>
<td>{{user.name}}</td>
<td>{{user.email}}</td>
</tr>
<tr ng-switch-when="true">
<td colspan="2">
{{user.desc}}
</td>
</tr>
</tbody>
</table>
这是代码:
angular.module("myApp", [])
.controller("UserController", ["$scope", function($scope) {
$scope.users = [
{name : "Anup Vasudeva", email : "[email protected]", desc : "Description about Anup Vasudeva"},
{name : "Amit Vasudeva", email : "[email protected]", desc : "Description about Amit Vasudeva"},
{name : "Vijay Kumar", email : "[email protected]", desc : "Description about Vijay Kumar"}
];
$scope.selected = false;
$scope.toggleSelectedUser = function() {
$scope.selected = !$scope.selected;
};
$scope.isSelectedUser = function() {
return $scope.selected;
};
}]);
我认为绑定ng-controller
并绑定ng-repeat
到相同的DOM元素是有意义的。ng-repeat创建的作用域可以由控制器管理。我想要的是变量selected
对于每个范围应该是唯一的。
您应该将控制器分为UserListController
和UserController
。用户列表应该是UserListController的一部分,并且每个项目都可以通过UserController
就像是
<table ng-controller='UserListController'>
<tbody ng-controller="UserController" ng-repeat="user in users" ng-click="toggleSelectedUser()" ng-switch on="isSelectedUser()" ng-init="user=user">
因此,用户控制器变为
angular.module("myApp", [])
.controller("UserController", ["$scope", function($scope) {
$scope.selected = false;
$scope.toggleSelectedUser = function() {
$scope.user.selected = !$scope.selected;
};
$scope.isSelectedUser = function() {
return $scope.user.selected;
};
}]);
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