angular-cn/public/docs/_examples/forms/ts/app/app.component.ts

// #docregion
import {Component}         from '@angular/core';
import {HeroFormComponent} from './hero-form.component'

@Component({
  selector: 'my-app',
  template: '<hero-form></hero-form>',
  directives: [HeroFormComponent]
})
export class AppComponent { }