Javascript 使用新数据重新加载并重复

Javascript 使用新数据重新加载并重复,javascript,angularjs,angularjs-ng-repeat,reload,Javascript,Angularjs,Angularjs Ng Repeat,Reload,我有一个服务,我只返回一个包含所有可用视频的列表,然后将其注入控制器,这样我就可以执行ng repeat来列出这些视频。就这样 videosApp.factory('VideosService', function ($http, $rootScope) { $rootScope.videos = { list: [], }; $http.get('/panel/videos') .then( function (

我有一个服务,我只返回一个包含所有可用视频的列表,然后将其注入控制器,这样我就可以执行
ng repeat
来列出这些视频。就这样

videosApp.factory('VideosService', function ($http, $rootScope) {
    $rootScope.videos = {
        list: [],
    };

    $http.get('/panel/videos')
        .then(
            function (response) {
                $rootScope.videos.list = response.data;
            },
            function () {
                alert('what is the velocity of a swallow?');
            }
        );

    return $rootScope;
});

videosApp.controller('VideosController', [
    '$scope', '$http', '$filter', '$window',
    function ($scope, $http, VideosService) {

        $scope.deleteVideo = function(id) {    
            if (confirm('Are you sure you want to delete this video?')) {
                $http.delete('/panel/videos/'+id)
                    .then(
                        function (response) {
                            growl(response.data.message, 'success');
                        },
                        function (response) {
                            growl(response.data.message, 'danger');
                        }
                    );
            }
        }

    }
]);
现在,对于HTML输出:

<div id="videos-listing" class="row" ng-controller="VideosController">
    <ul>
        <li ng-repeat="video in videos.list">
            {{video.name}}
            <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown">
                <span class="caret"></span>
            </button>
            <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
                <li role="presentation">
                    <a role="menuitem" href="#delete" ng-click="deleteVideo(video.id)">Delete</a>
                </li>
            </ul>
        </li>
    </ul>
</div>

  • {{video.name}
现在,正如您所看到的,还有一个
Delete
函数,它工作得非常好。我的问题是,在删除特定项目后,如何刷新该列表

我可以将
get/panel/videos
包装在一个函数中,并在删除成功后再次调用它,但是,我如何刷新该函数?或者,有没有更好的方法呢?

试试以下方法:

HTML

<a role="menuitem" href="#delete" ng-click="deleteVideo(video)">Delete</a>
更新

也可以考虑使用一些集合帮助器,如

您的代码如下所示,然后:

JS:

HTML


  • 它还添加了许多其他功能;)

    如果您在删除后尝试调用/panel/videos,则会自动刷新视图!比执行另一个服务器请求要好得多。很好的建议。或者你可以使用
    。.remove($scope.videos.list,video)
    
    $scope.deleteVideo = function(video) {    
        if (confirm('Are you sure you want to delete this video?')) {
            $http.delete('/panel/videos/'+video.id)
                .then(
                    function (response) {
                        growl(response.data.message, 'success');
                        $scope.videos.list.splice($scope.videos.list.indexOf(video),1);
                    },
                    function (response) {
                        growl(response.data.message, 'danger');
                    }
                );
        }
    }
    
    $rootScope.videos.list = new Backbone.Collection();
    $rootScope.videos.list.reset(response.data);
    
    ...
    $scope.videos.list.remove(video);
    
    <li ng-repeat="video in videos.list.models">