我正在Angular 4中编写一个Authguard,以防止在没有登录的情况下访问路由。但是,我收到了这个错误。以下是Authgaurd和Routing in App模块中的代码。请帮助解决问题。
// Authgaurd Code
import { ActivatedRouteSnapshot, CanActivate, Route, Router,
RouterStateSnapshot } from '@angular/router';
import { Store } from '';
import { Observable } from 'rxjs/Observable';
import { map, take } from 'rxjs/operators';
import { Observer } from 'rxjs';
import { Globals } from '../../app.global';
import { CRMStorageService } from '../services/storage.service';
import 'rxjs/add/operator/take';
@Injectable()
export class AuthGuard implements CanActivate {
constructor(private router: Router,private storageService: StorageService) {
}
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot):
Observable<boolean> {
return this.storageService.getItem(Globals._CURRENT_USER_KEY).take(1).map
(token => {
if (token) {
return true;
} else {
this.router.navigate(['/login']);
}
});
}
}
//在App模块中路由
const appRoutes: Routes = [
{ path:'',redirectTo:'/login', pathMatch: 'full' },
{ path:'login', component: LoginComponent },
{ path:'reset/:token', component: ResetpasswordComponent },
{
path: '',
canActivateChild: [AuthGuard],
children: [
{ path:'dashboard', component: DashboardComponent },
{ path:'customerlist', component: CustomerlistComponent }
]
},
{ path: '**', component: ErrorComponent }
];
@NgModule({
imports: [
RouterModule.forRoot(appRoutes,
{
enableTracing: false // <-- debugging purposes only
})],
declarations: [
AppComponent,
.
.
],
providers: [AuthGuard],
exports: [],
bootstrap: [AppComponent]})
export class AppModule { }
答案 0 :(得分:13)
您必须在AuthGuard上实施 CanActivate 和 CanAcitvateChild 界面才能在canActivateChild上使用
export class AuthGuard implements CanActivate, CanActivateChild {
...
canActivateChild(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
return this.canActivate(route, state);
}
}
答案 1 :(得分:8)
只需将 canActivateChild 替换为路由处理程序中的 canActivate 即可使用
const appRoutes: Routes = [
{ path: '', redirectTo: '/login', pathMatch: 'full' },
{ path: 'login', component: LoginComponent },
{ path: 'reset/:token', component: ResetpasswordComponent },
{
path: '',
canActivate: [AuthGuard],
children: [
{ path: 'dashboard', component: DashboardComponent },
{ path: 'customerlist', component: CustomerlistComponent }
]
},
{ path: '**', component: ErrorComponent }
];
@NgModule({
imports: [
RouterModule.forRoot(appRoutes,
{
enableTracing: false // <-- debugging purposes only
})],
declarations: [
AppComponent,
.
.
],
providers: [AuthGuard],
exports: [],
bootstrap: [AppComponent]
})
export class AppModule { }