angularjs2 三

import {Component} from 'angular2/core';import {HeroDetailComponent} from './hero-detail';@Component({    selector: 'appTest',    template: `              <h4>下面是另一个component内容</h4>              <my-hero-detail></my-hero-detail>              <h4>上面是另一个component内容</h4>          `,    directives: [HeroDetailComponent]})export class App {}

import {Component} from 'angular2/core';@Component({    selector: 'my-hero-detail',    template: `        <div>廖建国</div>    `,})export class HeroDetailComponent {}