当返回结果为true时，CanActivate不显示所需组件

import { Injectable } from '@angular/core';
import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree } from '@angular/router';
import { Observable } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class AuthGuard implements CanActivate {
  canActivate(
    next: ActivatedRouteSnapshot,
    state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {
    // 在这里进行权限验证的逻辑判断
    // 如果有权限，返回true；如果没有权限，返回false
    return true;
  }
}

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import import { AuthGuard } from './auth.guard';
import { HomeComponent } from './home.component';

const routes: Routes = [
  {
    path: 'home',
    component: HomeComponent,
    canActivate: [AuthGuard] // 应用AuthGuard守卫
  },
  // 其他路由配置...
];

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