问从角路径保护器发出的Web呼叫

EN

private _isAuthorized: ReplaySubject<boolean> = new ReplaySubject(1);
get isAuthorized() { return this._isAuthorized.asObservable(); }

checkAuthority(id: number) {
    return this._http.get(this._apiUrl).toPromise().then((response) => {
        console.log(response + ' I resolved!');
        if (response.status === 200)
            this._isAuthorized.next(true);
    });

canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): any {
  let id: number = this.getId();

  if (!this._oauthService.hasValidIdToken()) {
    this._router.navigate([`/login/${id}`]);
    return Observable.of(false);
  }

  this._myService.checkAuthority(id);
  return this._myService.isAuthorized.first();
}