angular-cn/public/docs/_examples/testing/ts/app/hero/hero-routing.module.ts

import { NgModule }             from '@angular/core';
import { RouterModule, Routes } from '@angular/router';

import { HeroListComponent }    from './hero-list.component';
import { HeroDetailComponent }  from './hero-detail.component';

const routes: Routes =  [
  { path: '',    component: HeroListComponent },
  { path: ':id', component: HeroDetailComponent }
];

export const routedComponents = [HeroDetailComponent, HeroListComponent];

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