我如何将更改数据传递到模态?

How do i pass changing data into a modal?

我正在尝试将一个不断变化的范围变量传递给模态 window。一旦模式打开,我就无法允许变量更改。目前,当模式打开时,我将数据传递给控制器​​:

    scope.open = function (roomname, image) {
        console.log("clicked modal");

        console.log("roomName: " + roomname);
        console.log("image: " + image);

        scope.imageContents = image;
        console.log("scope.imageContents: " + scope.imageContents);


        scope.modalInstance = $modal.open({
            animation: scope.animationsEnabled,
            templateUrl: 'tpl/modal-template.tpl.html',
            controller: 'ModalInstanceCtrl',
            resolve: {
                items: function () {
                    console.log("scope.imageContents in resolve: " + scope.imageContents);
                    return scope.imageContents;
                },
                compassHeading: function () {
                    console.log("scope.imageContents in resolve: " + scope.compassHeading);
                    return scope.compassHeading;
                }
            }
        });
    };

和我的控制器:

angular.module('TestApp').controller('ModalInstanceCtrl',function ($scope, $modalInstance, items, compassHeading) {

    'use strict';

    $scope.items = items;
    $scope.selected = {
        item: $scope.items
    };
    $scope.compassHeading = compassHeading;

});

罗盘航向变量不断更新,所以我试图获取罗盘航向变量以在模态中显示这些变化。

您可以使用包含您的变量和其他变量的服务:

angular.module('TestApp')
    .service('TestService', [function () {
        return {
            model: {
                'compassHeading': null
            }
        };
    }]);

在你的主控制器中,你可以像这样使用它:

angular.module('TestApp')
    .controller('MainController', ['$scope', 'TestService', function ($scope, testService) {
        $scope.model = testService.model;
        ...
    }]);

在您的 $modal 控制器中,您也可以这样做:

angular.module('TestApp')
    .controller('ModalInstanceCtrl', ['$scope', 'TestService', function ($scope, testService) {
        $scope.model = testService.model;
    }]);

然后,任何时候需要更改 compassHeading 的值,您都可以使用正常的方式更改它:$scope.model.compassHeading = <some_value_here>;.

此外,compassHeading 的值,如果在控制器外部更改,也会在控制器内部更改,因为服务的 model 对象是通过引用调用的。