AngularJS。返回新工厂实例 [英] AngularJS. Return new factory instance

问题描述

我在AngularJS新有一个问题。

I'm new in AngularJS and have a question.

我可以反复注入我厂单对象的所有控制器，它被注射？

Can I inject my factory singleton object repeatedly in all controllers, where it was injected?

例如：

.factory('medicalCenterService', function(MedicalCenterResource) {

    var medicalCenterService = {};

    medicalCenterService.currentMedCenter = MedicalCenterResource.get();

    medicalCenterService.reloadMedCenter = function() {
        medicalCenterService.currentMedCenter = MedicalCenterResource.get();

        return medicalCenterService.currentMedCenter;
    };

    medicalCenterService.updateMedicalCenter = function(medicalCenter) {
        MedicalCenterResource.updateMedicalCenter(medicalCenter);
        medicalCenterService.currentMedCenter = medicalCenter;
    };

    return medicalCenterService;
})

我得到医疗中心单独的对象，当应用程序启动时，在MedicalCenterController：

I get singleton object with medical center, when application starts, in MedicalCenterController:

function MedicalCenterController($scope, medicalCenterService) {
    $scope.currentMedCenter = medicalCenterService.currentMedCenter;
}

不过，后来，我尝试编辑医疗中心字段（姓名，地址等）在AccountProfileController

But, later, I try to edit medical center fields (name, address, etc..) in AccountProfileController

function AccountProfileController($scope, medicalCenterService) {

    $scope.currentMedCenter = medicalCenterService.currentMedCenter;

    $scope.applyMedCenterChanges = function (currentMedCenter) {
        medicalCenterService.updateMedicalCenter(currentMedCenter);
    };
}

和我想获得新的对象，在MedicalCenterController新的中心领域。
如何我单身的返回新的实例？

And I want to get new object with new center fields in MedicalCenterController. How to return new instance of my singleton?

推荐答案

你要这样呢？

.factory('MedicalCenter', function(MedicalCenterResource) {
    var MedicalCenter = function () {
        var center = MedicalCenterResource.get(),
            update = function() {
                MedicalCenterResource.updateMedicalCenter(center)
            };
        return {
            center: center,
            update: update
        }    
    };
    return MedicalCenter;

})

function MedicalCenterController($scope, MedicalCenter) {
    center = new MedicalCenter();
    $scope.currentMedCenter = center.center;
}
function AccountProfileController($scope, MedicalCenter) {
    center = new MedicalCenter();
    $scope.currentMedCenter = center.center;
    $scope.applyMedCenterChanges = function () {
        center.update();
    };
}

这篇关于AngularJS。返回新工厂实例的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！