AngularJS.返回新工厂实例 [英] AngularJS. Return new factory instance
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问题描述
我是 AngularJS 的新手,遇到过这个问题.
I'm a newbie in AngularJS and have faced the issue.
我可以在所有控制器中重新注入我的工厂单例对象吗?
Can I reinject my factory singleton object across all controllers, where it's been 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;
})
在 MedicalCenterController 中,当应用程序启动时,我得到了带有医疗中心的单例对象:
In MedicalCenterController I get singleton object with medical center when application starts:
function MedicalCenterController($scope, medicalCenterService) {
$scope.currentMedCenter = medicalCenterService.currentMedCenter;
}
但后来我尝试在 AccountProfileController 中编辑医疗中心字段(姓名、地址等)
But later I try to edit medical center fields (name, address, etc..) in AccountProfileController
function AccountProfileController($scope, medicalCenterService) {
$scope.currentMedCenter = medicalCenterService.currentMedCenter;
$scope.applyMedCenterChanges = function (currentMedCenter) {
medicalCenterService.updateMedicalCenter(currentMedCenter);
};
}
而我期望的是具有更新字段的对象.如何返回我的单身人士的新实例?
And what I'm expecting to have is the object with updated fields. How to return a new instance of my singleton?
推荐答案
你想要这样的东西吗?
.factory('MedicalCenter', function(MedicalCenterResource) {
var MedicalCenter = function () {
var center = MedicalCenterResource.get(),
update = function() {
MedicalCenterResource.updateMedicalCenter(center)
};
return {
center: center,
update: update
}
};
return MedicalCenter;
})
function MedicalCenterController($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();
};
}
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