如何在AngularJS中使用过滤器从数组中删除项目？

Question

当我点击tr没有任何过滤器时,我的功能array.splice()工作.数组中的索引的顺序正确,因此array.splice()可行.

启用过滤器后,阵列中的索引不会更新,但仍以相同的顺序排列.所以array.splice()删除错误的项目.

    <span ng-click="orderP0 = 'statut_name'; reversePO=!reversePO">order</span>

    <tr ng-repeat="project in projects | orderBy : orderPO : reverse track by $index" ng-click="remove($event,$index,projects)">
        <span class="label" ng-bind="project.statut_name"></span>
    </tr>

    $scope.remove = function($event,index,array){
        array.splice(index,1);
    };

如何更新数组中的索引？或者如何删除正确的项目？

Answer 1

使用indexOf将项目拼接在数组中元素的实际位置更容易.

$scope.remove = function(project){
    $scope.projects.splice($scope.projects.indexOf(project),1);
}

这样您只需要将当前项目传递给remove函数.

<tr ng-repeat="project in projects | orderBy : orderPO : reverse track by $index" ng-click="remove(project)">
    <span class="label" ng-bind="project.statut_name"></span>
</tr>

Answer 2

最简单的解决方案是更改删除函数以接受项目而不是索引.

$scope.remove = function(project){
    for(var i = $scope.projects.length - 1; i >= 0; i--){
        if($scope.projects[i].statut_name == project.statut_name){
            $scope.projects.splice(i,1);
        }
    }
}

示例Plunker:http://plnkr.co/edit/51SNVMQjG3dsmpYI5RyY？p = preview