问Angular 6重试http

EN

return this.http.get(this.location(location), {observe: 'response'}).pipe(
      res => {
        return res;
      }
    );

export class HttpLoadInterceptor implements HttpInterceptor {
  constructor(
    private loaderService: LoaderService) {}

  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    return next.handle(req).pipe(
      map(event => {
        this.loaderService.displayLoader(true); // show loader
        return event;
      }),
      finalize(() => {
        this.loaderService.displayLoader(false); // Hide loader
      })
    );
  }
}

this._data.flComponent('API url').subscribe(orders => {
  this.flComponent = orders;
});