基于NGRX存储实现路由器防护

// auth.reducer.ts
export interface AuthState {
  isAuthenticated: boolean;
}

export const initialState: AuthState = {
  isAuthenticated: false,
};

// auth.guard.ts
import { Injectable } from '@angular/core';
import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree, Router } from '@angular/router';
import { Observable } from 'rxjs';
import { Store } from '@ngrx/store';
import { selectIsAuthenticated } from './auth.selectors';

@Injectable({
  providedIn: 'root'
})
export class AuthGuard implements CanActivate {
  constructor(private store: Store, private router: Router) {}

  canActivate(
    route: ActivatedRouteSnapshot,
    state: RouterStateSnapshot): Observable<boolean | UrlTree> {
    return this.store.select(selectIsAuthenticated).pipe(
      map(isAuthenticated => {
        if (isAuthenticated) {
          return true;
        } else {
          this.router.navigate(['/login']);
          return false;
        }
      })
    );
  }
}

// app-routing.module.ts
import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { AuthGuard } from './auth.guard';

const routes: Routes = [
  { path: 'protected', component: ProtectedComponent, canActivate: [AuthGuard] },
  // ...其他路由
];

@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule]
})
export class AppRoutingModule {}

// auth.effects.ts
import { Injectable } from '@angular/core';
import { Actions, createEffect, ofType } from '@ngrx/effects';
import { AuthService } from './auth.service';
import { login, loginSuccess, loginFailure } from './auth.actions';

@Injectable()
export class AuthEffects {
  constructor(private actions$: Actions, private authService: AuthService) {}

  login$ = createEffect(() =>
    this.actions$.pipe(
      ofType(login),
      switchMap(action =>
        this.authService.login(action.credentials).pipe(
          map(user => loginSuccess({ user })),
          catchError(error => of(loginFailure({ error })))
        )
      )
    )
  );
}