插件¶

// In src/Application.php
use Cake\Http\BaseApplication;
use ContactManager\ContactManagerPlugin;

class Application extends BaseApplication
{
    public function bootstrap()
    {
        parent::bootstrap();

        // Load the contact manager plugin by class name
        $this->addPlugin(ContactManagerPlugin::class);

        // Load a plugin with a vendor namespace by 'short name' with options
        $this->addPlugin('AcmeCorp/ContactManager', ['console' => false]);

        // Load a dev dependency that will not exist in production builds.
        $this->addOptionalPlugin('AcmeCorp/ContactManager');
    }
}

// In Application::bootstrap()
use ContactManager\ContactManagerPlugin;

// Use the disable/enable to configure hooks.
$plugin = new ContactManagerPlugin();

$plugin->disable('bootstrap');
$plugin->enable('routes');
$this->addPlugin($plugin);

$plugin = new ContactManagerPlugin();

// Get the plugin name.
$name = $plugin->getName();

// Path to the plugin root, and other paths.
$path = $plugin->getPath();
$path = $plugin->getConfigPath();
$path = $plugin->getClassPath();

$this->viewBuilder()->addHelper('ContactManager.ContactInfo');

echo $this->ContactInfo->address($contact);

// Use an application component
$this->loadComponent('AppFlash');

// Use another plugin's behavior
$this->addBehavior('OtherPlugin.AuditLog');

/src
/plugins
    /ContactManager
        /config
        /src
            /ContactManagerPlugin.php
            /Controller
                /Component
            /Model
                /Table
                /Entity
                /Behavior
            /View
                /Helper
        /templates
            /layout
        /tests
            /TestCase
            /Fixture
        /webroot

namespace ContactManager;

use Cake\Core\BasePlugin;
use Cake\Core\ContainerInterface;
use Cake\Core\PluginApplicationInterface;
use Cake\Console\CommandCollection;
use Cake\Http\MiddlewareQueue;
use Cake\Routing\RouteBuilder;

class ContactManagerPlugin extends BasePlugin
{
    /**
     * @inheritDoc
     */
    public function middleware(MiddlewareQueue $middleware): MiddlewareQueue
    {
        // Add middleware here.
        $middleware = parent::middleware($middleware);

        return $middleware;
    }

    /**
     * @inheritDoc
     */
    public function console(CommandCollection $commands): CommandCollection
    {
        // Add console commands here.
        $commands = parent::console($commands);

        return $commands;
    }

    /**
     * @inheritDoc
     */
    public function bootstrap(PluginApplicationInterface $app): void
    {
        // Add constants, load configuration defaults.
        // By default will load `config/bootstrap.php` in the plugin.
        parent::bootstrap($app);
    }

    /**
     * @inheritDoc
     */
    public function routes(RouteBuilder $routes): void
    {
        // Add routes.
        // By default will load `config/routes.php` in the plugin.
        parent::routes($routes);
    }

    /**
     * Register application container services.
     *
     * @param \Cake\Core\ContainerInterface $container The Container to update.
     * @return void
     * @link https://book.cakephp.com.cn/5/en/development/dependency-injection.html#dependency-injection
     */
    public function services(ContainerInterface $container): void
    {
        // Add your services here
    }
}

<?php
use Cake\Routing\Route\DashedRoute;

$routes->plugin(
    'ContactManager',
    ['path' => '/contact-manager'],
    function ($routes) {
        $routes->setRouteClass(DashedRoute::class);

        $routes->get('/contacts', ['controller' => 'Contacts']);
        $routes->get('/contacts/{id}', ['controller' => 'Contacts', 'action' => 'view']);
        $routes->put('/contacts/{id}', ['controller' => 'Contacts', 'action' => 'update']);
    }
);

$routes->scope('/', function ($routes) {
    // Connect other routes.
    $routes->scope('/backend', function ($routes) {
        $routes->loadPlugin('ContactManager');
    });
});

// plugins/ContactManager/src/Controller/ContactsController.php
namespace ContactManager\Controller;

use ContactManager\Controller\AppController;

class ContactsController extends AppController
{
    public function index()
    {
        //...
    }
}

// plugins/ContactManager/src/Controller/AppController.php
namespace ContactManager\Controller;

use App\Controller\AppController as BaseController;

class AppController extends BaseController
{
}

// Access the index route of a plugin controller.
/contact-manager/contacts

// Any action on a plugin controller.
/contact-manager/contacts/view/1

/{prefix}/{plugin}/{controller}
/{prefix}/{plugin}/{controller}/{action}

// plugins/ContactManager/src/Model/Entity/Contact.php:
namespace ContactManager\Model\Entity;

use Cake\ORM\Entity;

class Contact extends Entity
{
}

// plugins/ContactManager/src/Model/Table/ContactsTable.php:
namespace ContactManager\Model\Table;

use Cake\ORM\Table;

class ContactsTable extends Table
{
}

// plugins/ContactManager/src/Model/Table/ContactsTable.php:
namespace ContactManager\Model\Table;

use Cake\ORM\Table;

class ContactsTable extends Table
{
    public function initialize(array $config): void
    {
        $this->hasMany('ContactManager.AltName');
    }
}

// plugins/ContactManager/src/Model/Table/ContactsTable.php:
namespace ContactManager\Model\Table;

use Cake\ORM\Table;

class ContactsTable extends Table
{
    public function initialize(array $config): void
    {
        $this->hasMany('AltName', [
            'className' => 'ContactManager.AltName',
        ]);
    }
}

// Controllers already use LocatorAwareTrait, so you don't need this.
use Cake\ORM\Locator\LocatorAwareTrait;

$contacts = $this->fetchTable('ContactManager.Contacts');

// plugins/ContactManager/templates/Contacts/index.php:
<h1>Contacts</h1>
<p>Following is a sortable list of your contacts</p>
<!-- A sortable list of contacts would go here....-->

$this->viewBuilder()->setLayout('ContactManager.admin');

/plugins/ContactManager/webroot/
                               css/
                               js/
                               img/
                               flash/
                               pdf/

// Component defined in 'ContactManager' plugin
namespace ContactManager\Controller\Component;

use Cake\Controller\Component;

class ExampleComponent extends Component
{
}

// Within your controllers
public function initialize(): void
{
    parent::initialize();
    $this->loadComponent('ContactManager.Example');
}

public function console($commands)
{
    // Create nested commands
    $commands->add('bake model', ModelCommand::class);
    $commands->add('bake controller', ControllerCommand::class);

    return $commands;
}