小编Geo*_*sch的帖子

我有一个服务来处理与后端的交互.我期待捕获401状态,表明用户已被后端注销(令牌到期).因此,当我捕获401时,我保存当前路线,并将它们导航到登录页面.但是,当我发现错误时,路由器服务未定义.这与观察者有关吗？

@Injectable()
export class SiteService {
private url : string = "site";
constructor(
    private http: Http, 
    private authService : AuthenticationService,
    private router : Router,
    private globals : Globals
    ){}

addSite(site : Site) : Observable<Site> {
    let data = new URLSearchParams();
    data.append('auth', this.authService.getToken());
    const options = new RequestOptions({
        params: data
    });
    return this.http.post(this.url, site, options).map(response => {
        return toSite(response.json().data);
    }).catch(this.handleError);

}
changeSite(site : Site) : Observable<Site> {
    let data = new URLSearchParams();
    data.append('id', this.authService.getToken());
    const options = new RequestOptions({
        params: data …