{"id":7824,"date":"2017-04-19T15:36:37","date_gmt":"2017-04-19T06:36:37","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=7824"},"modified":"2017-04-19T15:38:59","modified_gmt":"2017-04-19T06:38:59","slug":"rails5-api%e3%83%a2%e3%83%bc%e3%83%89-angular-spa%e7%92%b0%e5%a2%83-%e7%88%86%e9%80%9f%e6%a7%8b%e7%af%89%e3%81%ae%e6%89%8b%e9%a0%86-%e3%81%9d%e3%81%ae2%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=7824","title":{"rendered":"Rails5 API\u30e2\u30fc\u30c9 + Angular SPA\u74b0\u5883 \u7206\u901f\u69cb\u7bc9\u306e\u624b\u9806 \u305d\u306e2\u3002"},"content":{"rendered":"

\"\"<\/p>\n

\u524d\u56de<\/a>\u306e\u7d9a\u304d\u3067\u3059\u3002<\/p>\n

GitHub<\/strong><\/p>\n

rails-api-angular-example<\/strong><\/a><\/p>\n

\u4eca\u56de\u306f\u30d6\u30e9\u30f3\u30c1\u540d\u300cstep_connection<\/strong>\u300d\u306b\u5207\u308a\u66ff\u3048\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n

Rails \u30c7\u30fc\u30bf\u4f5c\u6210<\/h4>\n

\u3067\u306f\u3001\u65e9\u901fRails\u3092\u7528\u3044\u3066\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n

rails generate scaffold \u30b3\u30de\u30f3\u30c9\u3067user\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

$ rails generate scaffold user name:string<\/pre>\n
migrate\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u306e\u3067\u3001migrate\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3002<\/p>\n
$ rails db:migrate<\/pre>\n
\u30d6\u30e9\u30a6\u30b6\u3067\u4ee5\u4e0b\u306eURL\u3092\u78ba\u8a8d\u3002<\/p>\n
http:\/\/localhost:4200\/users<\/a><\/p>\n
\u307e\u305f\u306f\u3001curl\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3002<\/p>\n
$ curl http:\/\/localhost:4200\/user<\/pre>\n
\u3059\u308b\u3068\u3001\u7a7a\u306e\u914d\u5217\u304c\u8fd4\u5374\u3055\u308c\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
[]<\/pre>\n
rails console\u306b\u3066\u3001User\u306e\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3001\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n
rails console<\/strong><\/p>\n
$ rails c<\/pre>\n
$ user = User.new(name:'daisuke.takayama');<\/pre>\n
‘daisuke.takayama’\u306e name\u3092\u6301\u3063\u305f\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3002<\/p>\n
\u4fdd\u5b58\u3002<\/p>\n
$ user.save<\/pre>\n
\u518d\u3073\u3001\u30d6\u30e9\u30a6\u30b6 \u307e\u305f\u306f curl\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3059\u308b\u3068\u3001user\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
[{\"id\":1,\"name\":\"daisuke.takayama\",\"created_at\":\"2017-04-09T11:49:55.040Z\",\"updated_at\":\"2017-04-09T11:49:55.040Z\"}]<\/pre>\n
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u4f5c\u6210 & router\u8ffd\u52a0<\/h4>\n
User\u306e\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u51fa\u6765\u307e\u3057\u305f\u306e\u3067\u3001Angular\u5074\u306e\u4f5c\u696d\u3092\u884c\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
GitHub<\/strong>
\ncommit<\/a><\/p>\n
ng\u30b3\u30de\u30f3\u30c9\u3067\u3001\u300cuser\u300d\u306e\u3001component\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
$ ng g component user<\/pre>\n
\u4ee5\u4e0b\u306e\u69d8\u306b\u300ccomponent\u300d\u306a\u3069\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5207\u3063\u3066\u307e\u3068\u3081\u305f\u65b9\u304c\u826f\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u3068\u308a\u3042\u3048\u305a\u305d\u306e\u307e\u307e\u3067\u4f5c\u6210\u3057\u3066\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
$ ng g component component\/user<\/pre>\n
app\/user\/user.component.ts<\/strong><\/p>\n
import { Component, OnInit } from '@angular\/core';\r\n\r\n@Component({\r\n  selector: 'app-user',\r\n  templateUrl: '.\/user.component.html',\r\n  styleUrls: ['.\/user.component.css']\r\n})\r\nexport class UserComponent implements OnInit {\r\n\r\n  constructor() { }\r\n\r\n  ngOnInit() {\r\n\r\n  }\r\n\r\n}<\/pre>\n
onInit\u306einterface\u3092implements\u7528\u3044\u3066\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n
\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a<\/h5>\n
GitHub<\/strong>
\nng g component user & add routing<\/a><\/p>\n
Angular CLI\u3092\u7528\u3044\u3066\u3044\u308b\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u969b\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u4f34\u3046\u30d5\u30a1\u30a4\u30eb\u3082\u4f5c\u6210\u3068\u540c\u6642\u306b\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
$ ng new your-project --routing<\/pre>\n
\u3067\u3059\u304c\u3001\u4eca\u56de \u4e0a\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u306f\u884c\u306a\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u624b\u52d5\u3067\u300capp-routing.module.ts\u300d\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
app\/app-routing.module.ts<\/strong><\/p>\n
import { NgModule } from '@angular\/core';\r\nimport { Routes, RouterModule } from '@angular\/router';\r\nimport { UserComponent } from '.\/user\/user.component';\r\n\r\nconst routes: Routes = [\r\n  {\r\n    path: 'users',\r\n    component: UserComponent,\r\n    children: []\r\n  }\r\n];\r\n\r\n@NgModule({\r\n  imports: [RouterModule.forRoot(routes)],\r\n  exports: [RouterModule]\r\n})\r\nexport class AppRoutingModule { }<\/pre>\n
NgModule\u3001component\u3001@angular\/route\u3092\u305d\u308c\u305e\u308cimport\u3002<\/p>\n
\u300cuser\u300d\u306e URL path\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
add routerLink<\/h4>\n
GitHub<\/strong>
\nng g component user & add routing<\/a><\/p>\n
app\/user\/user.component.html<\/strong><\/p>\n
<h1>\r\n  {{title}}\r\n<\/h1>\r\n<a routerLink="\/users" routerLinkActive="active">users<\/a>\r\n  \r\n<router-outlet><\/router-outlet><\/pre>\n
useHash\u30aa\u30d7\u30b7\u30e7\u30f3\u8ffd\u52a0<\/h4>\n
API\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3068\u3001\u30d5\u30ed\u30f3\u30c8\u306eURL\u3092\u5206\u96e2\u3059\u308b\u305f\u3081\u306b\u3001useHash\u30aa\u30d7\u30b7\u30e7\u30f3\u3092true\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u3061\u3089\u3092\u884c\u3046\u3053\u3068\u306b\u3088\u3063\u3066\u3001URL\u306f\u300chttp:\/\/hoge\/#\/\u300d \u306e\u69d8\u306b\u300c#\u300d\u304croot\u3068\u306a\u308bURL\u306b\u8a2d\u5b9a\u3059\u308b\u4e8b\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n
GitHub<\/strong>
\nadd routes option useHash<\/a><\/p>\n
app\/app-routing.module.ts<\/strong><\/p>\n
import { NgModule } from '@angular\/core';\r\nimport { Routes, RouterModule } from '@angular\/router';\r\nimport { UserComponent } from '.\/user\/user.component';\r\n\r\nconst routes: Routes = [\r\n  {\r\n    path: 'users',\r\n    component: UserComponent,\r\n    children: []\r\n  }\r\n];\r\n\r\n@NgModule({\r\n  imports: [RouterModule.forRoot(routes, { useHash: true })],\r\n  exports: [RouterModule]\r\n})\r\nexport class AppRoutingModule { }<\/pre>\n
User \u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u4f5c\u6210<\/h4>\n
User\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u3092http\u901a\u4fe1\u884c\u3048\u308b\u3088\u3046\u306b\u3001\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
GitHub<\/strong>
\nng g service user<\/a><\/p>\n
\u300cng g service\u300d\u30b3\u30de\u30f3\u30c9\u3067\u3001\u300cuser\u300d\u306e\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n
$ ng g service user<\/pre>\n
app\/user.service.ts<\/strong><\/p>\n
import { Injectable } from '@angular\/core';\r\n\r\n@Injectable()\r\nexport class UserService {\r\n\r\n  constructor() { }\r\n\r\n}<\/pre>\n
User \u62bd\u8c61\u30af\u30e9\u30b9\u4f5c\u6210<\/h4>\n
\u300cng g class\u300d\u30b3\u30de\u30f3\u30c9\u3092\u7528\u3044\u3066\u3001\u300cuser\u300d\u306e\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3042\u308b\u300cUser\u300d\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
$ ng g class user<\/pre>\n
GitHub<\/strong>
\nng g class user<\/a><\/p>\n
app\/user.ts<\/strong><\/p>\n
export class User {\r\n}<\/pre>\n
User \u62bd\u8c61\u30af\u30e9\u30b9 \u30d7\u30ed\u30d1\u30c6\u30a3\u8ffd\u52a0<\/h4>\n
DB\u30c7\u30fc\u30bf\u3067\u300cname\u300d\u30ab\u30e9\u30e0\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3068\u5bfe\u3068\u306a\u308b\u300cname\u300d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
GitHub<\/strong>
\nadd user class property<\/a><\/p>\n
app\/user.ts<\/strong><\/p>\n
export class User {\r\n  name: string;\r\n}<\/pre>\n
UserService class\u306e\u5b9f\u88c5<\/h4>\n
UserService class\u306e\u5b9f\u88c5\u3092\u884c\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
GitHub<\/strong>
\ncreate UserService<\/a><\/p>\n
app\/user.service.ts<\/strong><\/p>\n
import { Injectable } from '@angular\/core';\r\nimport { Http, Headers, Response } from '@angular\/http';\r\nimport { Observable } from 'rxjs\/Observable';\r\n\r\nimport { User } from '.\/user';\r\n\r\nimport 'rxjs\/add\/operator\/map';\r\nimport 'rxjs\/add\/operator\/catch';\r\n\r\n@Injectable()\r\nexport class UserService {\r\n  private userUrl = '\/users';\r\n\r\n  constructor (private http: Http) {}\r\n\r\n  getUser(): Observable<User[]> {\r\n    return this.http.get(this.userUrl)\r\n      .map(this.extractData)\r\n      .catch(this.handleError);\r\n  }\r\n\r\n  \/\/ \u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf\u6574\u5f62\r\n  private extractData(res: Response) {\r\n    if (res.status < 200 || res.status >= 300) {\r\n      throw new Error('Bad response status: ' + res.status);\r\n    }\r\n    let body = res.json();\r\n\r\n    return body || { };\r\n  }\r\n\r\n  \/\/ \u30a8\u30e9\u30fc\u51e6\u7406\r\n  private handleError(error: any) {\r\n    let errMsg = error.message || 'Server error';\r\n\r\n    return Observable.throw(errMsg);\r\n  }\r\n\r\n}<\/pre>\n
‘\/users’\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304b\u3089\u3001\u8a72\u5f53\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n
getUser\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001User\u306e\u914d\u5217\u3092\u3092\u6301\u3063\u305fObservable\u578b\u3067\u8fd4\u5374\u3057\u307e\u3059\u3002<\/p>\n
app\/user\/user.component.ts<\/strong><\/p>\n
import { Component, OnInit } from '@angular\/core';\r\nimport { UserService } from '..\/user.service';\r\n\r\nimport { User } from '..\/user';\r\n\r\n@Component({\r\n  selector: 'app-user',\r\n  templateUrl: '.\/user.component.html',\r\n  styleUrls: ['.\/user.component.css'],\r\n  providers: [UserService]\r\n})\r\nexport class UserComponent implements OnInit {\r\n  users: User[];\r\n\r\n  constructor(private userService: UserService) { }\r\n\r\n  getUser(): void {\r\n    this.userService.getUser()\r\n      .subscribe((users) => {\r\n        this.users = users;\r\n      });\r\n  }\r\n\r\n  ngOnInit() {\r\n    this.getUser();\r\n  }\r\n}<\/pre>\n
HTML\u5074\u306f\u3001users\u306e\u6570\u3060\u3051ngFor\u3067\u7e70\u308a\u8fd4\u3057\u3001\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n
app\/user\/user.component.html<\/strong><\/p>\n
<p>\r\n  user works!\r\n<\/p>\r\n\r\n<ul class="userList" *ngIf="users">\r\n  <li *ngFor="let user of users">\r\n    <p>ID: <span>{{user.id}}<\/span><\/p>\r\n    <p>\u540d\u524d: <span>{{user.name}}<\/span><\/p>\r\n  <\/li>\r\n<\/ul><\/pre>\n
\u30d3\u30eb\u30c9<\/h4>\n
\u6700\u5f8c\u306b\u30d3\u30eb\u30c9\u30b3\u30de\u30f3\u30c9\uff08ng build –prod\uff09\u3092\u884c\u3044\u3001digest\u4ed8\u304d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3002<\/p>\n
GitHub<\/strong>
\nng build –prod<\/a><\/p>\n
$ ng build --prod<\/pre>\n
\u305d\u308c\u3067\u306f\u3001\u78ba\u8a8d\u3002<\/p>\n
\u30d6\u30e9\u30a6\u30b6\u3067\u4ee5\u4e0b\u306eURL\u3092\u8868\u793a\u3002
\nhttp:\/\/localhost:3000\/<\/a><\/p>\n
\u300cusers\u300d\u306e\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u4ee5\u4e0b\u306e\u69d8\u306b\u30e6\u30fc\u30b6\u30fc\u306e\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u6210\u529f\u3067\u3059\u3002<\/p>\n
\"\"<\/p>\n
\u6700\u5f8c\u306b<\/h4>\n
\u3068\u3001Rails5 API\u30e2\u30fc\u30c9 + Angular SPA\u74b0\u5883 \u7206\u901f\u69cb\u7bc9\u306e\u624b\u9806 \u305d\u306e2\u3002\u3067\u3057\u305f\u3002
\n\u304a\u75b2\u308c\u69d8\u3067\u3057\u305f\u3002<\/p>\n
\u6b21\u56de\u306f\u3001\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u5468\u308a\u306b\u3064\u3044\u3066\u8a18\u8ff0\u51fa\u6765\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u3067\u306f\u3067\u306f\u3041\u3002<\/p>\n
\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"
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