angular-docs-cn/public/docs/_examples/toh-6/ts/app/dashboard.component.ts

// #docregion , search
import { Component, OnInit } from '@angular/core';

import { Hero }        from './hero';
import { HeroService } from './hero.service';

@Component({
  moduleId: module.id,
  selector: 'my-dashboard',
  templateUrl: 'dashboard.component.html',
  styleUrls: [ 'dashboard.component.css' ]
})
// #enddocregion search
export class DashboardComponent implements OnInit {
  heroes: Hero[] = [];

  constructor(private heroService: HeroService) { }

  ngOnInit(): void {
    this.heroService.getHeroes()
      .then(heroes => this.heroes = heroes.slice(1, 5));
  }
}