<!DOCTYPE html>
<html>
<head>
<title>Angular 2 Http Demo</title>
<Meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="styles.css">
<!-- IE required polyfills,in this exact order -->
<script src="lib/es6-shim.min.js"></script>
<script src="lib/system-polyfills.js"></script>
<script src="lib/shims_for_IE.js"></script>
<script src="lib/angular2-polyfills.js"></script>
<script src="lib/system.js"></script>
<script src="lib/typescript.js"></script>
<script src="lib/Rx.js"></script>
<script src="lib/angular2.dev.js"></script>
<script src="lib/http.dev.js"></script>
<script src="lib/web-api.js"></script>
<script>
System.config({
transpiler: 'typescript',typescriptOptions: { emitDecoratorMetadata: true },packages: {'app': {defaultExtension: 'ts'}}
});
System.import('app/main')
.then(null,console.error.bind(console));
</script>
</head>
<body>
<my-toh>ToH Loading...</my-toh>
</body>
</html>
<!--
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
-->
import {bootstrap} from 'angular2/platform/browser';
import 'rxjs/Rx';
import {TohComponent} from './toh/toh.component';
bootstrap(TohComponent);
/*
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
*/
import {Component} from 'angular2/core';
import {HTTP_PROVIDERS} from 'angular2/http';
import {Hero} from './hero';
import {HeroListComponent} from './hero-list.component';
import {HeroService} from './hero.service';
import {provide} from 'angular2/core';
import {XHRBackend} from 'angular2/http';
// in-memory web api imports
import {InMemoryBackendService,SEED_DATA} from 'a2-in-memory-web-api/core';
import {HeroData} from '../hero-data';
@Component({
selector: 'my-toh',template: `
<hero-list></hero-list>
`,directives:[HeroListComponent],providers: [
HTTP_PROVIDERS,HeroService,provide(XHRBackend,{ useClass: InMemoryBackendService }),// in-mem server
provide(SEED_DATA,{ useClass: HeroData }) // in-mem server data
]
})
export class TohComponent { }
/*
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
*/
import {Component,OnInit} from 'angular2/core';
import {Hero} from './hero';
import {HeroService} from './hero.service';
@Component({
selector: 'hero-list',template: `
<h3>Heroes:</h3>
<ul>
<li *ngFor="#hero of heroes">
{{ hero.name }}
</li>
</ul>
New Hero:
<input #newHero />
<button (click)="addHero(newHero.value); newHero.value=''">
Add Hero
</button>
<div class="error" *ngIf="errorMessage">{{errorMessage}}</div>
`,styles: ['.error {color:red;}']
})
export class HeroListComponent implements OnInit {
constructor (private _heroService: HeroService) {}
errorMessage: string;
heroes:Hero[];
ngOnInit() { this.getHeroes(); }
getHeroes() {
this._heroService.getHeroes()
.subscribe(
heroes => this.heroes = heroes,error => this.errorMessage = <any>error);
}
addHero (name: string) {
if (!name) {return;}
this._heroService.addHero(name)
.subscribe(
hero => this.heroes.push(hero),error => this.errorMessage = <any>error);
}
}
/*
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
*/
import {Injectable} from 'angular2/core';
import {Http,Response} from 'angular2/http';
import {Headers,RequestOptions} from 'angular2/http';
import {Hero} from './hero';
import {Observable} from 'rxjs/Observable';
@Injectable()
export class HeroService {
constructor (private http: Http) {}
/*
private _heroesUrl = 'app/heroes.json'; // URL to JSON file
*/
private _heroesUrl = 'app/heroes'; // URL to web api
getHeroes () {
return this.http.get(this._heroesUrl)
.map(res => <Hero[]> res.json().data)
.do(data => console.log(data)) // eyeball results in the console
.catch(this.handleError);
}
addHero (name: string) : Observable<Hero> {
let body = JSON.stringify({ name });
let headers = new Headers({ 'Content-Type': 'application/json' });
let options = new RequestOptions({ headers: headers });
return this.http.post(this._heroesUrl,body,options)
.map(res => <Hero> res.json().data)
.catch(this.handleError)
}
private handleError (error: Response) {
// in a real world app,we may send the error to some remote logging infrastructure
// instead of just logging it to the console
console.error(error);
return Observable.throw(error.json().error || 'Server error');
}
}
/*
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
*/
export class Hero {
constructor(
public id:number,public name:string) { }
}
/*
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
*/
export class HeroData {
createDb() {
let heroes = [
{ "id": "1","name": "Windstorm" },{ "id": "2","name": "Bombasto" },{ "id": "3","name": "Magneta" },{ "id": "4","name": "Tornado" }
];
return {heroes};
}
}
/*
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
*/
{
"data": [
{ "id": "1","name": "Tornado" }
]
}