我正在从服务器预加载应用程序配置APP_INITIALIZER
通过以下方式,AppModule
:
providers: [
ConfigService,
{
provide: APP_INITIALIZER,
useFactory: configServiceFactory,
deps: [ConfigService],
multi: true
}
],
Then, ApiService
手动注入ConfigService
:
@Injectable()
export class ConfigService {
private api: ApiService;
public constructor(
private injector: Injector
) {
// Avoid cyclid dependencies, inject manually:
this.api = injector.get(ApiService);
}
最后router
注入时未定义ApiService
import { Http, Headers, RequestOptionsArgs, Response } from '@angular/http';
import { Router } from '@angular/router';
@Injectable()
export class ApiService {
constructor(
private router: Router,
private http: Http
) {
console.log(router, 'router'); // undefined
debugger;
Here is plunker http://plnkr.co/edit/ogCHjeYuCDM8vNLdwAFx?p=preview
有什么想法可以解决/解决它吗?