angular-services

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed last year . From what I understand, we use services in the case of inter and intra components communication where we hide multiple or complex data structures. Is it true we only use services in the case of persistent data structure? So what are cases we should not use services? 回答1: I

问题 I am using this solution to start the sequence. But now I want to stop on a ng-click. The click event if firing OK, I have confirmed on the console.log. I have tried $timeout.cancel($scope.StartChange); But with no success, classes are still changing. 回答1: This works, but I have no idea if it's the best solution: http://plnkr.co/edit/xKBHdFhXy93NqtpVooXe?p=preview var savePromise = function(promiseObj) { //saves promise and returns it $scope.terminateEarly.push(promiseObj); return promiseObj;

问题 I have the following structure in my application with respect to Services- AppModule (AppComponent and HomeComponent) | | | Lazy1 Lazy2 Lazy3 My App starts with AppComponent which redirects to HomeComponent which then redirects to one of the Sub-Modules. All submodules are lazy loaded. Now I start with AppComponent from where I am redirected to one of the Sub-Modules. Now depending on some condition, I am navigating back to HomeComponent which then again redirects to one of the sub-module. My

问题 How can i load the data using the ng-bootstrap modal. I'm using this for editing some data in my app? I've used routing and transferring to a different page when editing instead of editing it in modal before. But right now, i want to implement the loading and editing of data in ng-bootstrap modal? How can i do this? HTML button type="button"(click)="open(content)">Edit</button> <ng-template #content let-c="close" let-d="dismiss"> <div class="modal-header"> <h4 class="modal-title">Edit Name<

问题 I need to perform one query with Content-Type different than application/json . Changing default $http options is not a variant, because a lot of queries still be performed with JSON data. I've found example var req = { method: 'POST', url: 'example.com', headers: { 'Content-Type': "application/x-www-form-urlencoded" }, data: "somedata" } $http(req).then(function (resp) { console.log(resp);}); But it don't want to work — Content-Type is still a application/json . Is any true way to do it

问题 There are 2 services: DataService - gets data from the server CacheService - subscribes to DataService and holds mapped data and component ComponentA - Injects CacheService and has foo function that handles cached data My question is - How do I ensure that my CacheService is done with data when my foo function gets called . Current solution that I kinda like but am not sure if there isn't some better Angular 2 way. Done with Rx.Observables My solution (Code is simplified): export class

问题 I'm trying to share data between controllers but once the data is set in my service it won't change again. The Idea I have a page of items I'm calling coupons and clicking on an item in coupons takes you to a single-coupon . When I click an item in coupons I want to save the item data in a service so that I can have access to it in single-coupon The Service .service('userService', function() { var userService = this; userService.sharedObject = null; }) Some Code inside CouponsCtrl .controller

问题 I need to load select's options asynchronously ( through a service), using the Angular Material md-select component. Actually, I use a click event to load data. It works but I need to click the select twice to show the options. That it's a problem. The expected behavior is shown at this link (AngularJs Material) The actual behavior is shown at this link. Is Async options' loading supported by md-select ? 回答1: The reason you need to click twice is because when you first click, there are no

问题 How to refresh data in different component 1 when changes made in component 2. These two components are not under same parentnode. customer.service.ts export class UserManagementService extends RestService { private BASE_URL_UM: string = '/portal/admin'; private headers = new HttpHeaders({ 'Authorization': localStorage.getItem('token'), 'Content-Type': 'application/json' }); constructor(protected injector: Injector, protected httpClient: HttpClient) { super(injector); } getEapGroupList():

问题 In my angular application, i am in the need to store the data to an array which will be empty at initial stage. Example : someFunction() { let array = []; console.log("step 1"); this.service.getRest(url).subscribe(result => { result.data.forEach(element => { console.log("step 2"); array.push(element); // Pushing all the objects comes from res.data }); console.log("step 3"); }); console.log("step 4"); } Here i have listed down the console.log() with step order. In which the order while calling