跟着angularjs2官方文档学习二

import {Component} from 'angular2/core';
import { HeroDetailComponent } from './my-hero-detail';
import { Hero } from './hero';

@Component({
    selector: 'my-app',template: `
    <h1>{{title}}</h1>
    <h2>My Heroes</h2>
    <ul class="heroes">
      <li *ngFor="#hero of heroes"
        [class.selected]="hero === selectedHero"
        (click)="onSelect(hero)">
        <span class="badge">{{hero.id}}</span> {{hero.name}}
      </li>
    </ul>
     <my-hero-detail [hero]="selectedHero"></my-hero-detail>
  `,styles: [`
    .selected {
      background-color: #CFD8DC !important;
      color: white;
    }
    .heroes {
      margin: 0 0 2em 0;
      list-style-type: none;
      padding: 0;
      width: 15em;
    }
    .heroes li {
      cursor: pointer;
      position: relative;
      left: 0;
      background-color: #EEE;
      margin: .5em;
      padding: .3em 0;
      height: 1.6em;
      border-radius: 4px;
    }
    .heroes li.selected:hover {
      background-color: #BBD8DC !important;
      color: white;
    }
    .heroes li:hover {
      color: #607D8B;
      background-color: #DDD;
      left: .1em;
    }
    .heroes .text {
      position: relative;
      top: -3px;
    }
    .heroes .badge {
      display: inline-block;
      font-size: small;
      color: white;
      padding: 0.8em 0.7em 0 0.7em;
      background-color: #607D8B;
      line-height: 1em;
      position: relative;
      left: -1px;
      top: -4px;
      height: 1.8em;
      margin-right: .8em;
      border-radius: 4px 0 0 4px;
    }
  `],directives: [HeroDetailComponent]
})
export class AppComponent {

    title = 'Tour of Heroes';
    heroes = HEROES;
    selectedHero: Hero;

    onSelect(hero: Hero): void {
        this.selectedHero = hero;
    }
}

const HEROES: Hero[] = [
    { id: 11,name: 'Mr. Nice' },{ id: 12,name: 'Narco' },{ id: 13,name: 'Bombasto' },{ id: 14,name: 'Celeritas' },{ id: 15,name: 'Magneta' },{ id: 16,name: 'RubberMan' },{ id: 17,name: 'Dynama' },{ id: 18,name: 'Dr IQ' },{ id: 19,name: 'Magma' },{ id: 20,name: 'Tornado' }
];

/**
 * Created by dell on 2016/9/9.
 */
import {Component,Input} from 'angular2/core';
import { Hero } from './hero';

@Component({
    selector: 'my-hero-detail',template: `
    <div *ngIf="hero">
      <h2>{{hero.name}} details!</h2>
      <div><label>id: </label>{{hero.id}}</div>
      <div>
        <label>name: </label>
        <input [(ngModel)]="hero.name" placeholder="name"/>
      </div>
    </div>
  `
})
export class HeroDetailComponent {
    @input() hero: Hero;
}


/*
 copyright 2016 Google Inc. All Rights Reserved.
 Use of this source code is governed by an MIT-style license that
 can be found in the LICENSE file at http://angular.io/license
 */

/**
 * Created by dell on 2016/9/9.
 */
export class Hero {
    id: number;
    name: string;
}