{"id":7519,"date":"2017-04-03T03:26:59","date_gmt":"2017-04-02T18:26:59","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=7519"},"modified":"2017-04-09T01:11:09","modified_gmt":"2017-04-08T16:11:09","slug":"angular2%e3%81%ae%e5%a7%8b%e3%82%81%e6%96%b9%e3%80%82angular2-%e5%85%ac%e5%bc%8f%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab-services%ef%bc%88%e7%b0%a1%e5%8d%98%e3%81%aa%e5%92%8c","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=7519","title":{"rendered":"Angular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb – Services\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09"},"content":{"rendered":"

\"\"<\/p>\n

SERVICES<\/h4>\n

\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8\u306f\u3001\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u306e\u7c21\u5358\u306a\u548c\u8a33\u3067\u3059\u3002<\/p>\n

Angular2 tutorial | SERVICES<\/a><\/p>\n

\u524d\u56de<\/strong>
\nAngular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Multiple Components\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09<\/a><\/p>\n

\u305d\u306e\u4ed6<\/strong>
\nAngular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Master\/Detail\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09<\/a><\/p>\n

Angular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 SETUP FOR LOCAL DEVELOPMENT\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09Angular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Introduction\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09<\/a><\/p>\n

Angular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 The Hero Editor\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09<\/a><\/p>\n

\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u30b3\u30fc\u30eb\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/strong><\/p>\n

Tour of Heroes\u30a2\u30d7\u30ea\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u306e\u3042\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

\u540c\u3058\u30b3\u30fc\u30c9\u3092\u7e70\u308a\u8fd4\u3057\u30b3\u30d4\u30fc\u3057\u3066\u8cbc\u308a\u4ed8\u3051\u308b\u4ee3\u308f\u308a\u306b\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u5358\u4e00\u306e\u30c7\u30fc\u30bf\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6ce8\u5165\u3057\u307e\u3059\u3002<\/p>\n

\u5225\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u50be\u304d\u304c\u306a\u304f\u306a\u308a\u3001\u30d3\u30e5\u30fc\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u5c02\u5ff5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u6a21\u64ec\u30b5\u30fc\u30d3\u30b9\u3067\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5358\u4f53\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30b5\u30fc\u30d3\u30b9\u306f\u5e38\u306b\u975e\u540c\u671f\u306a\u306e\u3067\u3001\u30c7\u30fc\u30bf\u30b5\u30fc\u30d3\u30b9\u306ePromise\u30d9\u30fc\u30b9\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u30da\u30fc\u30b8\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u30da\u30fc\u30b8\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001\u30a2\u30d7\u30ea\u306f\u3053\u306e live example<\/a> \/ downloadable example.<\/a>\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

Where We Left Off<\/h4>\n

\u30d2\u30fc\u30ed\u30fc\u30ba\u30c4\u30a2\u30fc\u3092\u7d9a\u3051\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u69cb\u9020\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u524d\u306e\u7ae0\u306b\u623b\u3063\u3066\u884c\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

angular-tour-of-heroes\r\n\u251c\u2500\u2500src\r\n\u2502 \u251c\u2500\u2500app\r\n\u2502 \u2502  \u251c\u2500\u2500app.component.ts\r\n\u2502 \u2502  \u251c\u2500\u2500app.module.ts\r\n\u2502 \u2502  \u251c\u2500\u2500hero.ts\r\n\u2502 \u2502  \u2514\u2500\u2500hero-detail.component.ts\r\n\u2502 \u251c\u2500\u2500main.ts\r\n\u2502 \u251c\u2500\u2500index.html\r\n\u2502 \u251c\u2500\u2500styles.css\r\n\u2502 \u251c\u2500\u2500systemjs.config.js\r\n\u2502 \u2514\u2500\u2500tsconfig.json\r\n\u251c\u2500\u2500node_modules ...\r\n\u2514\u2500\u2500package.json<\/pre>\n
Keep the app transpiling and running<\/h4>\n
\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n
npm start<\/pre>\n
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001”watch mode”\u3067\u3001TypeScript\u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u5b9f\u884c\u3057\u3001\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d\u306b\u81ea\u52d5\u7684\u306b\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u30a2\u30d7\u30ea\u3092\u540c\u6642\u306b\u8d77\u52d5\u3057\u3001\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d\u306b\u30d6\u30e9\u30a6\u30b6\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n
\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u307e\u305f\u306f\u66f4\u65b0\u3059\u308b\u305f\u3081\u306b\u4e00\u6642\u505c\u6b62\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30d2\u30fc\u30ed\u30fc\u306e\u30c4\u30a2\u30fc\u3092\u69cb\u7bc9\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
Creating a hero service<\/h4>\n
\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u3092\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u3055\u307e\u3056\u307e\u306a\u30da\u30fc\u30b8\u306b\u8868\u793a\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30e6\u30fc\u30b6\u30fc\u306f\u3059\u3067\u306b\u30ea\u30b9\u30c8\u304b\u3089\u30d2\u30fc\u30ed\u30fc\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3059\u3050\u306b\u3001\u6700\u9ad8\u306e\u30d2\u30fc\u30ed\u30fc\u3092\u6301\u3064\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3001\u30d2\u30fc\u30ed\u30fc\u306e\u8a73\u7d30\u3092\u7de8\u96c6\u3059\u308b\u305f\u3081\u306e\u5225\u306e\u30d3\u30e5\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 <\/p>\n
3\u3064\u306e\u30d3\u30e5\u30fc\u306b\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u73fe\u6642\u70b9\u3067\u306f\u3001AppComponent\u306f\u8868\u793a\u7528\u306e\u6a21\u64ec\u30d2\u30fc\u30ed\u30fc\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d2\u30fc\u30ed\u30fc\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4ed5\u4e8b\u3067\u306f\u306a\u304f\u3001\u30d2\u30fc\u30ed\u30fc\u306e\u30ea\u30b9\u30c8\u3092\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u30d3\u30e5\u30fc\u3068\u7c21\u5358\u306b\u5171\u6709\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n
\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u53d6\u5f97\u30d3\u30b8\u30cd\u30b9\u3092\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u5358\u4e00\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c\u3057\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u30c7\u30fc\u30bf\u3092\u5fc5\u8981\u3068\u3059\u308b\u3059\u3079\u3066\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5171\u6709\u3057\u307e\u3059\u3002<\/p>\n
Create the HeroService<\/h5>\n
hero.service.ts<\/strong>\u3068\u3044\u3046\u540d\u524d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a9\u30eb\u30c0\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
“““
\n\u30b5\u30fc\u30d3\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u547d\u540d\u898f\u5247\u306f\u3001\u5c0f\u6587\u5b57\u306e\u30b5\u30fc\u30d3\u30b9\u540d\u306e\u5f8c\u306b.service\u3092\u4ed8\u3051\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n
\u8907\u6570\u8a9e\u306e\u30b5\u30fc\u30d3\u30b9\u540d\u306e\u5834\u5408\u306f\u3001lower dash-case<\/a> \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u305f\u3068\u3048\u3070\u3001SpecialSuperHeroService<\/strong>\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306f\u3001special-super-hero.service.ts<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002
\n“““<\/p>\n
HeroService\u30af\u30e9\u30b9\u306b\u540d\u524d\u3092\u4ed8\u3051\u3001\u4ed6\u304c\u30a4\u30f3\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/hero.service.ts (starting point)<\/strong><\/p>\n
import { Injectable } from '@angular\/core';\r\n\r\n@Injectable()\r\nexport class HeroService {\r\n}<\/pre>\n
Injectable Services<\/h5>\n
Angular Injectable\u95a2\u6570\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001\u305d\u306e\u95a2\u6570\u3092@Injectable\uff08\uff09\u30c7\u30b3\u30ec\u30fc\u30bf\u3068\u3057\u3066\u9069\u7528\u3057\u305f\u3053\u3068\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
“““
\n\u30ab\u30c3\u30b3\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\uff01\u305d\u308c\u3089\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u8a3a\u65ad\u304c\u96e3\u3057\u3044\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/strong>
\n“““<\/p>\n
@Injectable\uff08\uff09\u30c7\u30b3\u30ec\u30fc\u30bf\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u95a2\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u3059\u308b\u3088\u3046\u306bTypeScript\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u30e1\u30bf\u30c7\u30fc\u30bf\u306f\u3001Angular\u304c\u4ed6\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u6ce8\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
HeroService\u306f\u73fe\u6642\u70b9\u3067\u306f\u4f9d\u5b58\u95a2\u4fc2\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5148\u982d\u304b\u3089@Injectable\uff08\uff09\u30c7\u30b3\u30ec\u30fc\u30bf\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u4e00\u8cab\u6027\u3068\u5c06\u6765\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n
Getting Heroes<\/h5>\n
getHeroes\u95a2\u6570\u306b\u3001\u30b9\u30bf\u30d6\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
@Injectable()\r\nexport class HeroService {\r\n  getHeroes(): void {} \/\/ stub\r\n}<\/pre>\n
HeroService\u306f\u3001Web\u30b5\u30fc\u30d3\u30b9\u3001\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u307e\u305f\u306f\u6a21\u64ec\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u3069\u3053\u304b\u3089\u3067\u3082Hero\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u306e\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u89e6\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u3044\u3064\u3067\u3082\u5b9f\u88c5\u306b\u95a2\u3059\u308b\u8003\u3048\u3092\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
Move the mock hero data<\/h5>\n
app.component.ts\u304b\u3089HEROES\u914d\u5217\u3092\u5207\u308a\u53d6\u308a\u3001app\u30d5\u30a9\u30eb\u30c0\u306emock-heroes.ts\u3068\u3044\u3046\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u306b\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u30d2\u30fc\u30ed\u30fc\u914d\u5217\u304cHero\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001import {Hero} …\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/mock-heroes.ts<\/strong><\/p>\n
import { Hero } from '.\/hero';\r\nexport const HEROES: Hero[] = [\r\n  {id: 11, name: 'Mr. Nice'},\r\n  {id: 12, name: 'Narco'},\r\n  {id: 13, name: 'Bombasto'},\r\n  {id: 14, name: 'Celeritas'},\r\n  {id: 15, name: 'Magneta'},\r\n  {id: 16, name: 'RubberMan'},\r\n  {id: 17, name: 'Dynama'},\r\n  {id: 18, name: 'Dr IQ'},\r\n  {id: 19, name: 'Magma'},\r\n  {id: 20, name: 'Tornado'}\r\n];<\/pre>\n
HEROES\u5b9a\u6570\u306f\u3001HeroService\u306a\u3069\u4ed6\u306e\u5834\u6240\u3067\u3082\u30a4\u30f3\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n
app.component.ts<\/strong>\u3067\u306f\u3001HEROES\u914d\u5217\u3092\u5207\u308a\u53d6\u308a\u3001\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u82f1\u96c4\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/app.component.ts (heroes property)<\/strong><\/p>\n
heroes: Hero[];<\/pre>\n
Return mocked hero data<\/h5>\n
HeroService\u306b\u623b\u308a\u3001\u6a21\u64ecHEROES\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001getHeroes\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u8fd4\u3057\u307e\u3059\u3002 HeroService\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
src\/app\/hero.service.ts<\/strong><\/p>\n
import { Injectable } from '@angular\/core';\r\n\r\nimport { Hero } from '.\/hero';\r\nimport { HEROES } from '.\/mock-heroes';\r\n\r\n@Injectable()\r\nexport class HeroService {\r\n  getHeroes(): Hero[] {\r\n    return HEROES;\r\n  }\r\n}<\/pre>\n
Import the hero service<\/h5>\n
HeroService\u3092\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08AppComponent\u304b\u3089\uff09\u3067\u4f7f\u7528\u3059\u308b\u6e96\u5099\u304c\u6574\u3044\u307e\u3057\u305f\u3002<\/p>\n
HeroService\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u3001\u30b3\u30fc\u30c9\u5185\u3067HeroService\u3092\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/app.component.ts (hero-service-import)<\/strong><\/p>\n
import { HeroService } from '.\/hero.service';<\/pre>\n
Don’t use new with the HeroService<\/h5>\n
AppComponent\u306f\u3001\u5b9f\u884c\u6642\u306e\u5177\u4f53\u7684\u306aHeroService\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u3069\u306e\u3088\u3046\u306b\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/p>\n
\u6b21\u306e\u3088\u3046\u306bHeroService\u306e\u65b0\u3057\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
heroService = new HeroService(); \/\/ don't do this<\/pre>\n
\u305f\u3060\u3057\u3001\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u7406\u60f3\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7406\u7531\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001HeroService\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 <\/p>\n
HeroService\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3059\u3079\u3066\u306e\u5834\u6240\u3092\u898b\u3064\u3051\u3066\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u8907\u6570\u306e\u5834\u6240\u306b\u30b3\u30fc\u30c9\u3092\u30d1\u30c3\u30c1\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u3001\u30c6\u30b9\u30c8\u306e\u8ca0\u62c5\u304c\u5897\u3057\u307e\u3059\u3002<\/p>\n
\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3059\u308b\u305f\u3073\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30fc\u30d3\u30b9\u304c\u4ed6\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3001\u30d2\u30fc\u30ed\u30fc\u3084\u30b7\u30a7\u30a2\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308c\u3070\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n
\u3042\u306a\u305f\u306f\u305d\u308c\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n
AppComponent\u304cHeroService\u306e\u7279\u5b9a\u306e\u5b9f\u88c5\u306b\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u306e\u64cd\u4f5c\u3084\u30c6\u30b9\u30c8\u7528\u306b\u7570\u306a\u308b\u6a21\u64ec\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4f7f\u7528\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u306e\u5b9f\u88c5\u3092\u5207\u308a\u66ff\u3048\u308b\u306e\u306f\u96e3\u3057\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
Inject the HeroService<\/h5>\n
\u65b0\u3057\u3044\u884c\u3092\u4f7f\u7528\u3059\u308b\u4ee3\u308f\u308a\u306b\u30012\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u5b9a\u7fa9\u3059\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/app.component.ts (constructor)<\/strong><\/p>\n
constructor(private heroService: HeroService) { }<\/pre>\n
\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u81ea\u4f53\u306f\u4f55\u3082\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8heroService\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u540c\u6642\u306b\u5b9a\u7fa9\u3057\u3001HeroService\u6ce8\u5165\u30b5\u30a4\u30c8\u3068\u3057\u3066\u8b58\u5225\u3057\u307e\u3059\u3002<\/p>\n
Now Angular\u306f\u3001AppComponent\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306bHeroService\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
“““
\n\u4f9d\u5b58\u6027\u6ce8\u5165\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u4f9d\u5b58\u6027\u6ce8\u5165\u30da\u30fc\u30b8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong>
\n“““<\/p>\n
\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u306f\u3001HeroService\u306e\u4f5c\u6210\u65b9\u6cd5\u3092\u307e\u3060\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u4eca\u3059\u3050\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u305f\u5834\u5408\u3001Angular\u306f\u3053\u306e\u30a8\u30e9\u30fc\u3067\u5931\u6557\u3057\u307e\u3059\u3002<\/p>\n
EXCEPTION: No provider for HeroService! (AppComponent -> HeroService)<\/pre>\n
\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u306bHeroService\u306e\u4f5c\u6210\u65b9\u6cd5\u3092\u6559\u3048\u308b\u306b\u306f\u3001@Components\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u4e00\u756a\u4e0b\u306b\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u914d\u5217\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/app.component.ts (providers)<\/strong><\/p>\n
providers: [HeroService]<\/pre>\n
providers\u914d\u5217\u306f\u3001AppComponent\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306bHeroService\u306e\u65b0\u3057\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3088\u3046\u306bAngular\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n
AppComponent\u3068\u305d\u306e\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
getHeroes() in the AppComponent<\/h5>\n
\u30b5\u30fc\u30d3\u30b9\u306fheroService\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u5909\u6570\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3042\u306a\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u3092\u547c\u3073\u51fa\u3057\u3066\u30011\u884c\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
this.heroes = this.heroService.getHeroes();<\/pre>\n
\u3042\u306a\u305f\u306f\u672c\u5f53\u306b1\u884c\u3092\u30e9\u30c3\u30d7\u3059\u308b\u305f\u3081\u306e\u5c02\u7528\u30e1\u30bd\u30c3\u30c9\u3092\u5fc5\u8981\u3068\u3057\u307e\u305b\u3093\u3002\u3068\u306b\u304b\u304f\u305d\u308c\u3092\u66f8\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
src\/app\/app.component.ts (getHeroes)<\/strong><\/p>\n
getHeroes(): void {\r\n  this.heroes = this.heroService.getHeroes();\r\n}<\/pre>\n
The ngOnInit lifecycle hook<\/h5>\n
AppComponent\u306f\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u3092fetch\u3057\u3066\u8868\u793a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067getHeroes\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u8a98\u60d1\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306f\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u3001\u7279\u306b\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u547c\u3073\u51fa\u3059\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u542b\u307e\u308c\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n
\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u306e\u914d\u7dda\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u3088\u3046\u306a\u5358\u7d14\u306a\u521d\u671f\u5316\u7528\u3067\u3059\u3002<\/p>\n
Angular\u30b3\u30fc\u30ebgetHeroes\uff08\uff09\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001Angular ngOnInit\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30d5\u30c3\u30af\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n
Angular\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u77ac\u9593\u3092\u3001\u4f5c\u6210\u6642\u3001\u5909\u66f4\u5f8c\u3001\u6700\u7d42\u7684\u306b\u7834\u68c4\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n
\u5404\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u306f1\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001\u9069\u5207\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067Angular\u304c\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n
“““
\n\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30d5\u30c3\u30af\u306b\u3064\u3044\u3066\u306f\u3001Lifecycle Hooks\uff08\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30d5\u30c3\u30af\uff09\u30da\u30fc\u30b8<\/a>\u3067\u3002
\n“““<\/p>\n
OnInit\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u57fa\u672c\u7684\u306a\u6982\u8981\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff08\u3053\u308c\u3092\u30b3\u30fc\u30c9\u306b\u30b3\u30d4\u30fc\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\uff09\u3002<\/p>\n
import { OnInit } from '@angular\/core';\r\n\r\nexport class AppComponent implements OnInit {\r\n  ngOnInit(): void {\r\n  }\r\n}<\/pre>\n
OnInit\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u5b9f\u88c5\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
export class AppComponent implements OnInit {}<\/pre>\n
\u521d\u671f\u5316\u30ed\u30b8\u30c3\u30af\u3092\u5185\u90e8\u306b\u6301\u3064ngOnInit\u30e1\u30bd\u30c3\u30c9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002 <\/p>\n
Angular\u306f\u9069\u5207\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001getHeroes\uff08\uff09\u3092\u547c\u3073\u51fa\u3057\u3066\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n
app\/app.component.ts (ng-on-init)<\/strong><\/p>\n
ngOnInit(): void {\r\n  this.getHeroes();\r\n}<\/pre>\n
\u30d2\u30fc\u30ed\u30fc\u540d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30d2\u30fc\u30ed\u30fc\u306e\u30ea\u30b9\u30c8\u3068\u30d2\u30fc\u30ed\u30fc\u306e\u8a73\u7d30\u30d3\u30e5\u30fc\u304c\u8868\u793a\u3055\u308c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u671f\u5f85\u901a\u308a\u306b\u52d5\u4f5c\u3059\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
Async services and Promises<\/h4>\n
HeroService\u306f\u30e2\u30c3\u30af\u30d2\u30fc\u30ed\u30fc\u306e\u30ea\u30b9\u30c8\u3092\u3059\u3050\u306b\u8fd4\u3057\u307e\u3059\u3002\u305d\u306egetHeroes\uff08\uff09\u30b7\u30b0\u30cd\u30c1\u30e3\u306f\u540c\u671f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
this.heroes = this.heroService.getHeroes();<\/pre>\n
\u6700\u7d42\u7684\u306b\u3001\u4e3b\u4eba\u516c\u306e\u30c7\u30fc\u30bf\u306f\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u30ea\u30e2\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3059\u308b\u306e\u3092\u5f85\u3064\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3055\u3089\u306b\u3001\u5f85\u6a5f\u4e2d\u306bUI\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n
\u30d3\u30e5\u30fc\u3092\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u8abf\u6574\u3059\u308b\u306b\u306f\u3001Promises\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u306f\u3001getHeroes\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u5909\u66f4\u3059\u308b\u975e\u540c\u671f\u624b\u6cd5\u3067\u3059\u3002<\/p>\n
The hero service makes a Promise<\/h5>\n
Promise\u306f\u3001\u672c\u8cea\u7684\u306b\u7d50\u679c\u306e\u6e96\u5099\u304c\u3067\u304d\u305f\u3068\u304d\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u3053\u3068\u3092\u7d04\u675f\u3057\u307e\u3059\u3002<\/p>\n
\u975e\u540c\u671f\u30b5\u30fc\u30d3\u30b9\u306b\u4f55\u3089\u304b\u306e\u4f5c\u696d\u3092\u884c\u3044\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u4e0e\u3048\u308b\u3088\u3046\u306b\u8981\u6c42\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30fc\u30d3\u30b9\u306f\u305d\u306e\u4f5c\u696d\u3092\u884c\u3044\u3001\u6700\u7d42\u7684\u306b\u306f\u7d50\u679c\u307e\u305f\u306f\u30a8\u30e9\u30fc\u3067\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n
“““
\n\u3053\u308c\u306f\u7c21\u5358\u306a\u8aac\u660e\u3067\u3059\u3002 ES2015\u306e\u300cPromises for asynchronous programming<\/a>\u300d\u30da\u30fc\u30b8\u306e\u300cExploring ES6<\/a>\u300d\u306e\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002
\n“““<\/p>\n
\u3053\u306ePromise\u3092\u8fd4\u3059getHeroes\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3067HeroService\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/hero.service.ts (excerpt)<\/strong><\/p>\n
getHeroes(): Promise<Hero[]> {\r\n  return Promise.resolve(HEROES);\r\n}<\/pre>\n
\u3042\u306a\u305f\u306f\u307e\u3060\u30c7\u30fc\u30bf\u3092\u5632\u7b11\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5373\u5ea7\u306b\u89e3\u6c7a\u3055\u308c\u305fPromise\u3092\u7d50\u679c\u3068\u3057\u3066\u6a21\u64ec\u30d2\u30fc\u30ed\u30fc\u3068\u8fd4\u3059\u3053\u3068\u3067\u3001\u8d85\u9ad8\u901f\u3001\u30bc\u30ed\u9045\u5ef6\u30b5\u30fc\u30d0\u30fc\u306e\u52d5\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
Act on the Promise<\/h5>\n
HeroService\u3078\u306e\u5909\u66f4\u306e\u7d50\u679c\u3001this.heroes\u306f\u82f1\u96c4\u306e\u914d\u5217\u3067\u306f\u306a\u304fPromise\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n
src\/app\/app.component.ts (getHeroes – old)<\/strong><\/p>\n
getHeroes(): void {\r\n  this.heroes = this.heroService.getHeroes();\r\n}<\/pre>\n
Promise\u304c\u89e3\u6c7a\u3057\u305f\u3089\u305d\u308c\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Promise\u304c\u6210\u529f\u3059\u308b\u3068\u3001\u3042\u306a\u305f\u306f\u30d2\u30fc\u30ed\u30fc\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n
Promise\u306ethen\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u5f15\u6570\u3068\u3057\u3066\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n
src\/app\/app.component.ts (getHeroes – revised)<\/strong><\/p>\n
getHeroes(): void {\r\n  this.heroService.getHeroes().then(heroes => this.heroes = heroes);\r\n}<\/pre>\n
“““
\nArrow functions<\/a> \u3067\u306e\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306eES2015 arrow function\u306f\u3001\u540c\u7b49\u306e\u95a2\u6570\u5f0f\u3088\u308a\u3082\u7c21\u6f54\u3067\u3042\u308a\u3001\u3053\u308c\u3092\u6b63\u5e38\u306b\u51e6\u7406\u3057\u307e\u3059\u3002
\n“““<\/p>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306eheroes\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u30b5\u30fc\u30d3\u30b9\u304c\u8fd4\u3059\u30d2\u30fc\u30ed\u30fc\u306e\u914d\u5217\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u30a2\u30d7\u30ea\u306f\u307e\u3060\u5b9f\u884c\u4e2d\u3067\u3001\u30d2\u30fc\u30ed\u30fc\u306e\u30ea\u30b9\u30c8\u3092\u8868\u793a\u3057\u3001\u8a73\u7d30\u30d3\u30e5\u30fc\u3067\u540d\u524d\u9078\u629e\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/p>\n
“““
\n\u3053\u306e\u30da\u30fc\u30b8\u306e\u6700\u5f8c\u306b\u3001Appendix: take it slow \u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u63a5\u7d9a\u72b6\u6cc1\u304c\u60aa\u3044\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002
\n“““<\/p>\n
Review the app structure<\/h4>\n
\u3059\u3079\u3066\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u5f8c\u306b\u6b21\u306e\u69cb\u9020\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
angular-tour-of-heroes\r\n\u251c\u2500\u2500src\r\n\u2502 \u251c\u2500\u2500app\r\n\u2502 \u2502  \u251c\u2500\u2500app.component.ts\r\n\u2502 \u2502  \u251c\u2500\u2500app.module.ts\r\n\u2502 \u2502  \u251c\u2500\u2500hero.ts\r\n\u2502 \u2502  \u251c\u2500\u2500hero-detail.component.ts\r\n\u2502 \u2502  \u251c\u2500\u2500hero.service.ts\r\n\u2502 \u2502  \u2514\u2500\u2500mock-heroes.ts\r\n\u2502 \u251c\u2500\u2500main.ts\r\n\u2502 \u251c\u2500\u2500index.html\r\n\u2502 \u251c\u2500\u2500styles.css\r\n\u2502 \u251c\u2500\u2500systemjs.config.js\r\n\u2502 \u2514\u2500\u2500tsconfig.json\r\n\u251c\u2500\u2500node_modules ...\r\n\u2514\u2500\u2500package.json<\/pre>\n
\u3053\u306e\u30da\u30fc\u30b8\u3067\u89e3\u8aac\u3059\u308b\u30b3\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
src\/app\/hero.service.ts<\/strong><\/p>\n
import { Injectable } from '@angular\/core';\r\nimport { Hero } from '.\/hero';\r\nimport { HEROES } from '.\/mock-heroes';\r\n@Injectable()\r\nexport class HeroService {\r\n  getHeroes(): Promise<Hero[]> {\r\n    return Promise.resolve(HEROES);\r\n  }\r\n}<\/pre>\n
src\/app\/app.component.ts<\/strong><\/p>\n
import { Component, OnInit } from '@angular\/core';\r\nimport { Hero } from '.\/hero';\r\nimport { HeroService } from '.\/hero.service';\r\n@Component({\r\n  selector: 'my-app',\r\n  template: `\r\n    <h1>{{title}}<\/h1>\r\n    <h2>My Heroes<\/h2>\r\n    <ul class="heroes">\r\n      <li *ngFor="let hero of heroes"\r\n        [class.selected]="hero === selectedHero"\r\n        (click)="onSelect(hero)">\r\n        <span class="badge">{{hero.id}}<\/span> {{hero.name}}\r\n      <\/li>\r\n    <\/ul>\r\n    <hero-detail [hero]="selectedHero"><\/hero-detail>\r\n  `,\r\n  styles: [`\r\n    .selected {\r\n      background-color: #CFD8DC !important;\r\n      color: white;\r\n    }\r\n    .heroes {\r\n      margin: 0 0 2em 0;\r\n      list-style-type: none;\r\n      padding: 0;\r\n      width: 15em;\r\n    }\r\n    .heroes li {\r\n      cursor: pointer;\r\n      position: relative;\r\n      left: 0;\r\n      background-color: #EEE;\r\n      margin: .5em;\r\n      padding: .3em 0;\r\n      height: 1.6em;\r\n      border-radius: 4px;\r\n    }\r\n    .heroes li.selected:hover {\r\n      background-color: #BBD8DC !important;\r\n      color: white;\r\n    }\r\n    .heroes li:hover {\r\n      color: #607D8B;\r\n      background-color: #DDD;\r\n      left: .1em;\r\n    }\r\n    .heroes .text {\r\n      position: relative;\r\n      top: -3px;\r\n    }\r\n    .heroes .badge {\r\n      display: inline-block;\r\n      font-size: small;\r\n      color: white;\r\n      padding: 0.8em 0.7em 0 0.7em;\r\n      background-color: #607D8B;\r\n      line-height: 1em;\r\n      position: relative;\r\n      left: -1px;\r\n      top: -4px;\r\n      height: 1.8em;\r\n      margin-right: .8em;\r\n      border-radius: 4px 0 0 4px;\r\n    }\r\n  `],\r\n  providers: [HeroService]\r\n})\r\nexport class AppComponent implements OnInit {\r\n  title = 'Tour of Heroes';\r\n  heroes: Hero[];\r\n  selectedHero: Hero;\r\n  constructor(private heroService: HeroService) { }\r\n  getHeroes(): void {\r\n    this.heroService.getHeroes().then(heroes => this.heroes = heroes);\r\n  }\r\n  ngOnInit(): void {\r\n    this.getHeroes();\r\n  }\r\n  onSelect(hero: Hero): void {\r\n    this.selectedHero = hero;\r\n  }\r\n}<\/pre>\n
src\/app\/mock-heroes.ts<\/strong><\/p>\n
import { Hero } from '.\/hero';\r\nexport const HEROES: Hero[] = [\r\n  {id: 11, name: 'Mr. Nice'},\r\n  {id: 12, name: 'Narco'},\r\n  {id: 13, name: 'Bombasto'},\r\n  {id: 14, name: 'Celeritas'},\r\n  {id: 15, name: 'Magneta'},\r\n  {id: 16, name: 'RubberMan'},\r\n  {id: 17, name: 'Dynama'},\r\n  {id: 18, name: 'Dr IQ'},\r\n  {id: 19, name: 'Magma'},\r\n  {id: 20, name: 'Tornado'}\r\n];<\/pre>\n
The road you’ve travelled<\/h4>\n
\u3053\u306e\u30da\u30fc\u30b8\u3067\u3042\u306a\u305f\u304c\u9054\u6210\u3057\u305f\u3053\u3068\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
\u30fb\u591a\u304f\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u5171\u6709\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30fbAppComponent\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001ngOnInit\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30d5\u30c3\u30af\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30fbHeroService\u3092AppComponent\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30fb\u3042\u306a\u305f\u306f\u6a21\u64ec\u30d2\u30fc\u30ed\u30fc\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3089\u3092\u30b5\u30fc\u30d3\u30b9\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30fbPromise\u3092\u8fd4\u3059\u3088\u3046\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u8a2d\u8a08\u3057\u3001Promise\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8a2d\u8a08\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u3042\u306a\u305f\u306e\u30a2\u30d7\u30ea\u306f\u3053\u306elive example<\/a> \/ downloadable example. <\/a>\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
The road ahead<\/h4>\n
Tour of Heroes\u306f\u3001\u5171\u6709\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u518d\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u6b21\u306e\u76ee\u6a19\u306f\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3001\u30d3\u30e5\u30fc\u9593\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u30e1\u30cb\u30e5\u30fc\u30ea\u30f3\u30af\u3092\u8ffd\u52a0\u3057\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5185\u306e\u30c7\u30fc\u30bf\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u3042\u306a\u305f\u306f\u305d\u308c\u3092\u8a2d\u8a08\u3057\u3066\u3088\u308a\u5bb9\u6613\u306b\u6210\u9577\u3055\u305b\u3001\u7dad\u6301\u3059\u308b\u65b9\u6cd5\u3092\u767a\u898b\u3059\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u6b21\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30da\u30fc\u30b8\u3067\u306f\u3001Angular component router \u3068 navigation \u306b\u3064\u3044\u3066\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n
Appendix: Take it slow<\/h4>\n
app\/hero.service.ts (getHeroesSlowly)<\/strong><\/p>\n
getHeroesSlowly(): Promise<Hero[]> {\r\n  return new Promise(resolve => {\r\n    \/\/ Simulate server latency with 2 second delay\r\n    setTimeout(() => resolve(this.getHeroes()), 2000);\r\n  });\r\n}<\/pre>\n
getHeroes\uff08\uff09\u3068\u540c\u69d8\u306b\u3001Promise\u3082\u8fd4\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u7d04\u675f\u306f2\u79d2\u5f85\u3063\u3066\u304b\u3089\u3001\u64ec\u4eba\u30d2\u30fc\u30ed\u30fc\u3068\u306e\u7d04\u675f\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n
AppComponent\u306b\u623b\u308a\u3001getHeroes\uff08\uff09\u3092getHeroesSlowly\uff08\uff09\u306b\u7f6e\u304d\u63db\u3048\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
Next Step<\/h4>\n
Angular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Routing\uff08\u7c21\u5358\u306a\u548c\u8a33\uff09<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
SERVICES \u3053\u3061\u3089\u306e\u30da\u30fc\u30b8\u306f\u3001\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u306e\u7c21\u5358\u306a\u548c\u8a33\u3067\u3059\u3002 Angular2 tutorial | SERVICES \u524d\u56de Angular2\u306e\u59cb\u3081\u65b9\u3002Angular2 \u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb \u2013 Multiple C […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[203],"tags":[177,168,176,166,37,47,179,50,46,150,44,45,111,95,39,178,138,78,114,118],"class_list":{"0":"post-7519","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-angular2","7":"tag-css3","8":"tag-html","9":"tag-html5","10":"tag-iphone","11":"tag-iphone-","12":"tag-javascript-2","13":"tag-jquery","14":"tag-jquery-mobile","15":"tag-js","16":"tag-vagrant","17":"tag-web","19":"tag-wordpress-2","20":"tag-95","21":"tag-39","22":"tag-178","23":"tag-138","24":"tag-78","25":"tag-114","26":"tag-118"},"_links":{"self":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7519"}],"version-history":[{"count":9,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7519\/revisions"}],"predecessor-version":[{"id":7796,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7519\/revisions\/7796"}],"wp:attachment":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}