angular-docs-cn/public/docs/_examples/cb-dependency-injection/ts/app/hero-data.ts

// #docregion
import {Hero} from './hero';

export class HeroData {
  createDb() {
    let heroes = [
      new Hero(1,"Windstorm"),
      new Hero(2,"Bombasto"),
      new Hero(3,"Magneta"),
      new Hero(4,"Tornado")
    ];
    return {heroes};
  }
}