angular-docs-cn/public/docs/_examples/server-communication/ts/app/hero-data.ts

// #docregion
export class HeroData {
  createDb() {
    let heroes = [
      { "id": "1", "name": "Windstorm" },
      { "id": "2", "name": "Bombasto" },
      { "id": "3", "name": "Magneta" },
      { "id": "4", "name": "Tornado" }
    ];
    return {heroes};
  }
}