angular-docs-cn/public/docs/_examples/upgrade-module/ts/app/1-to-2-projection/hero-detail.component.ts

// #docregion
import { Component, Input } from '@angular/core';
import { Hero } from '../hero';

@Component({
  selector: 'hero-detail',
  template: `
    <h2>{{hero.name}}</h2>
    <div>
      <ng-content></ng-content>
    </div>
  `
})
export class HeroDetailComponent {
  @Input() hero: Hero;
}