如何在用户注销后重新加载Angular 2应用程序

现在,点击退出按钮后,我在订阅方法中得到了服务器的答案(在其中有登录表单),但我不知道如何清理当前应用程序的数据并加载登录表单.

有谁能够帮我？

这是我的主要类AppComponent

import {Component}          from 'angular2/core';
import {OnInit}             from "angular2/core";
import {Router}             from "angular2/router";
import {RouteConfig}        from "angular2/router";
import {AuthRouteOutlet}    from "./common/directives/auth-router-outlet.directive";
import {AuthService}        from "./common/services/auth.service";
import {DashboardComponent} from "./common/components/dashboard.component";

@Component({
  selector: 'my-app',template: `
    <auth-router-outlet></auth-router-outlet>
  `,directives: [AuthRouteOutlet,DashboardComponent]
})
@RouteConfig([
  {path: '/dashboard/...',name: 'Dashboard',component: DashboardComponent,useAsDefault: true}

])
export class AppComponent implements OnInit {
  constructor(
      private _router: Router,private _authService: AuthService
  ) {}

  ngOnInit():any {
    var self = this;

    this._authService.getLoggedOutEvent().subscribe(function(next) {
      //console.log('AppComponent OnEmit: ' + JSON.stringify(next));
      self._router.navigateByUrl('/',true);
    });
  }
}

这是我的服务.我从这里发送退出请求.

import {Injectable,EventEmitter} from 'angular2/core';
import {User} from "../models/user.interface";
import {Http} from "angular2/http";
import {Observable} from "rxjs/Observable";
import {Headers} from "angular2/http";

@Injectable()
export class AuthService {

  private _userLoggedOut = new EventEmitter<any>();

  constructor(private _http: Http) {}

  getLoggedOutEvent(): EventEmitter<any> {
      return this._userLoggedOut;
  }

  logout(): Observable<any>{
    return this._http.get('/logout');
  }
}

这是我调用logout方法的组件.

import {Component}    from "angular2/core";
import {ROUTER_DIRECTIVES,Router} from "angular2/router";
import {AuthService}  from "../services/auth.service";

@Component({
  selector: 'mdm-header-bar',template: `
    <header>
      <nav id="mdm-header-bar" >
        <ul>
          <li><a (click)="addComponent()" title="Add component"><i class="fa fa-plus-circle"></i></a></li>
          <li><a (click)="settings()" title="Settings"><i class="fa fa-cog"></i></a></li>
          <li><a (click)="help()" title="Help"><i class="fa fa-question-circle"></i></a></li>
          <li><a (click)="logout()" title="Logout"><i class="fa fa-sign-out"></i></a></li>
        </ul>
      </nav>
    </header>
  `,directives: [ROUTER_DIRECTIVES]
})
export class HeaderComponent {
  constructor(private _authService: AuthService) {}

  logout() {
    var self = this;
    this._authService.logout()
        .subscribe(function(next) {
          self._authService.getLoggedOutEvent().emit(next);
        },function(exception){
          console.log('HeaderComponent OnException: ' + exception);
        },function() {
          console.log('HeaderComponent OnCompleted ');
        });
  }

}

当我第一次加载应用程序的主页面时(我将请求发送到localhost：3000),服务器会检查我是否经过身份验证,如果没有,则会将我重定向到localhost：3000 / signin页面.验证后,服务器向我发送主页面：localhost：3000

当我发送注销请求时,服务器注销我并使用localhost：3000 / signin页面发送回答,因为我尚未登录.

我在我的logout(…).subscribe(…)方法中从服务器获取此页面,但我不知道如何卸载当前页面(app)并让浏览器加载此页面.