cakephp3でjsonとかxmlとかを使う - m_shige1979のときどきITブログ

jsonを使ったデータを使ってみたいけどなんかうまくいかない

英語のマニュアルを見て頑張った

バージョン

cakephp3.0.8

実装

config/routes.php

<?php
/**
 * Routes configuration
 *
 * In this file, you set up routes to your controllers and their actions.
 * Routes are very important mechanism that allows you to freely connect
 * different URLs to chosen controllers and their actions (functions).
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

use Cake\Core\Plugin;
use Cake\Routing\Router;

/**
 * The default class to use for all routes
 *
 * The following route classes are supplied with CakePHP and are appropriate
 * to set as the default:
 *
 * - Route
 * - InflectedRoute
 * - DashedRoute
 *
 * If no call is made to `Router::defaultRouteClass`, the class used is
 * `Route` (`Cake\Routing\Route\Route`)
 *
 * Note that `Route` does not do any inflections on URLs which will result in
 * inconsistently cased URLs when used with `:plugin`, `:controller` and
 * `:action` markers.
 *
 */
Router::defaultRouteClass('Route');
Router::extensions(['json', 'xml']);

Router::scope('/', function ($routes) {
    /**
     * Here, we are connecting '/' (base path) to a controller called 'Pages',
     * its action called 'display', and we pass a param to select the view file
     * to use (in this case, src/Template/Pages/home.ctp)...
     */
    $routes->connect('/', ['controller' => 'Pages', 'action' => 'display', 'home']);

    /**
     * ...and connect the rest of 'Pages' controller's URLs.
     */
    $routes->connect('/pages/*', ['controller' => 'Pages', 'action' => 'display']);

    /**
     * Connect catchall routes for all controllers.
     *
     * Using the argument `InflectedRoute`, the `fallbacks` method is a shortcut for
     *    `$routes->connect('/:controller', ['action' => 'index'], ['routeClass' => 'InflectedRoute']);`
     *    `$routes->connect('/:controller/:action/*', [], ['routeClass' => 'InflectedRoute']);`
     *
     * Any route class can be used with this method, such as:
     * - DashedRoute
     * - InflectedRoute
     * - Route
     * - Or your own route class
     *
     * You can remove these routes once you've connected the
     * routes you want in your application.
     */
    $routes->fallbacks('InflectedRoute');

});

/**
 * Load all plugin routes.  See the Plugin documentation on
 * how to customize the loading of plugin routes.
 */
Plugin::routes();

※「Router::extensions(['json', 'xml']);」を追加する

src/Controller/AppController.php

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link      http://cakephp.org CakePHP(tm) Project
 * @since     0.2.9
 * @license   http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace App\Controller;

use Cake\Controller\Controller;

/**
 * Application Controller
 *
 * Add your application-wide methods in the class below, your controllers
 * will inherit them.
 *
 * @link http://book.cakephp.org/3.0/en/controllers.html#the-app-controller
 */
class AppController extends Controller
{

    /**
     * Initialization hook method.
     *
     * Use this method to add common initialization code like loading components.
     *
     * @return void
     */
    public function initialize()
    {
        parent::initialize();
        $this->loadComponent('Flash');
        $this->loadComponent('RequestHandler');

    }

}

※「$this->loadComponent('RequestHandler');」を追加
※AppControllerでなくても各コントローラーのinitializeに実装すればよい

独自のコントローラー

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link      http://cakephp.org CakePHP(tm) Project
 * @since     0.2.9
 * @license   http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace App\Controller;

use Cake\Core\Configure;
use Cake\Network\Exception\NotFoundException;
use Cake\View\Exception\MissingTemplateException;

/**
 * Static content controller
 *
 * This controller will render views from Template/Pages/
 *
 * @link http://book.cakephp.org/3.0/en/controllers/pages-controller.html
 */
class SamplesController extends AppController
{

    public function test(){

        $data = [
            "aaa" => [111, 222, 333],
            "bbb" => [
                "ccc1" => 10,
                "ccc2" => [
                    "aaa",
                    "bbb",
                    "ccc",
                ],
            ],
        ];

        $this->set([
            'data' => $data,
            '_serialize' => ['data']
        ]);
    }

}