Yii2訪問自定義模塊下的controller


之前,由於所要訪問的controller都是位於根目錄下的controllers目錄下,就像下面這樣:

此時,我們可以直接通過 localhost/basic/web/index.php?r=dao/index 來訪問圖中DaoController.php里的actionIndex。

但是如果,我們將controller、view等有關聯的獨立出來作為一個模塊Modules,那么又將怎樣去處理呢。

就像上面這樣,這個Site控制器里面的action又將如何訪問呢。

1.建立目錄

首先建立如上的目錄結構,在api下的以及目錄有三個文件夾和一個文件Module.php,這個php文件內容如下:

<?php

namespace app\modules\api;

/**
 * api module definition class
 */
class Module extends \yii\base\Module
{
    /**
     * @inheritdoc
     */
    public $controllerNamespace = 'app\modules\api\controllers';

    /**
     * @inheritdoc
     */
    public function init()
    {
        parent::init();

        // custom initialization code goes here
    }
}

這個文件可以直接復制,無需作任何修改,只是注意紅字部分的命名空間,不要寫錯了!

2.web.php

還記得項目根目錄下的config文件夾下有個web.php文件么,添加如下字段:

<?php

$params = require __DIR__ . '/params.php';
$db = require __DIR__ . '/db.php';

$config = [
    'id' => 'basic',
    'basePath' => dirname(__DIR__),
    'bootstrap' => ['log'],
    'aliases' => [
        '@bower' => '@vendor/bower-asset',
        '@npm'   => '@vendor/npm-asset',
    ],
    'components' => [
        'request' => [
            // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation
            'cookieValidationKey' => 'jjsYJ_ju0W8ifOv5mY3JBMI6DOppFlo6',
        ],
        'cache' => [
            'class' => 'yii\caching\FileCache',
        ],
        'user' => [
            'identityClass' => 'app\models\User',
            'enableAutoLogin' => true,
        ],
        'errorHandler' => [
            'errorAction' => 'site/error',
        ],
        'mailer' => [
            'class' => 'yii\swiftmailer\Mailer',
            // send all mails to a file by default. You have to set
            // 'useFileTransport' to false and configure a transport
            // for the mailer to send real emails.
            'useFileTransport' => true,
        ],
        'log' => [
            'traceLevel' => YII_DEBUG ? 3 : 0,
            'targets' => [
                [
                    'class' => 'yii\log\FileTarget',
                    'levels' => ['error', 'warning'],
                ],
            ],
        ],
        'db' => $db,
        /*
        'urlManager' => [
            'enablePrettyUrl' => true,
            'showScriptName' => false,
            'rules' => [
            ],
        ],
        */
    ],
    'modules' => [ 'api' => [ 'class' => 'app\modules\api\Module', ], ], 'params' => $params,
];

if (YII_ENV_DEV) {
    // configuration adjustments for 'dev' environment
    $config['bootstrap'][] = 'debug';
    $config['modules']['debug'] = [
        'class' => 'yii\debug\Module',
        // uncomment the following to add your IP if you are not connecting from localhost.
        //'allowedIPs' => ['127.0.0.1', '::1'],
    ];

    $config['bootstrap'][] = 'gii';
    $config['modules']['gii'] = [
        'class' => 'yii\gii\Module',
        // uncomment the following to add your IP if you are not connecting from localhost.
        //'allowedIPs' => ['127.0.0.1', '::1'],
    ];
}

return $config;

為了避免看的時候出錯,上面紅字的“鍵”是出於同一級的,紅字加粗的是我們為modules添加的相關配置信息,相當於在應用中注冊了剛才定義的組件(api)。

3.api組件下的controllers

現在我們在Modules/api/controllers下新建一個SiteControllers.php,內容如下:

<?php

namespace app\modules\api\controllers; 
use yii\web\Controller;


class SiteController extends Controller
{
    public function actionIndex()
    {
        echo "hello world";
    }
}

注意命名空間就好~~~

4.瀏覽器訪問

最后就是瀏覽器訪問這個actionIndex了,瀏覽器輸入: http://localhost/basic/web/index.php?r=api/site/index

至此,結束~~~

 


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