Yii2: загрузка файлов

SiteController (1).php

use yii\base\DynamicModel;

SiteController (2).php

    public function actionCreate()
    {
        $model = new DynamicModel([
            'name', 'file_id'
        ]);

        // behavior untuk upload file
        $model->attachBehavior('upload', [
            'class' => 'mdm\upload\UploadBehavior',
            'attribute' => 'file',
            'savedAttribute' => 'file_id', // coresponding with $model->file_id
            // 'uploadPath' => '@common/upload', // saved directory. default to '@runtime/upload'
            'autoSave' => true, // when true then uploaded file will be save before ActiveRecord::save()
            'autoDelete' => true, // when true then uploaded file will deleted before ActiveRecord::delete()
        ]);

        // rule untuk model
        $model->addRule('name', 'string')
            ->addRule('file', 'file', ['extensions' => 'jpg']);

        if ($model->load(Yii::$app->request->post()) && $model->validate()) {
            if ($model->saveUploadedFile() !== false) {
                Yii::$app->session->setFlash('success', 'Upload Sukses');
            }
        }
        return $this->render('upload', ['model' => $model]);
    }

upload.php

<?php

use yii\base\DynamicModel;
use yii\helpers\Html;
use yii\widgets\ActiveForm;

/* @var $this yii\web\View */
?>
<div>
    <?php
        $form = ActiveForm::begin([
            'options' => [ 'enctype' => 'multipart/form-data']
        ]);
    ?>
    <?= $form->field($model, 'name'); ?>
    <?= $form->field($model, 'file')->fileInput(); ?>
    <?php if ($model->file_id): ?>
        <div class="form-group">
            <?= Html::img(['/file', 'id' => $model->file_id]) ?>
        </div>
    <?php endif; ?>

    <div class="form-group">
        <?= Html::submitButton('Submit', ['class' => 'btn btn-primary']) ?>
    </div>
    <?php ActiveForm::end(); ?>
</div>

web.php

<?php
/* Include debug functions */
require_once(__DIR__.'/functions.php');

$params = require(__DIR__ . '/params.php');

$config = [
    'id' => 'basic',
    'basePath' => dirname(__DIR__),
    'bootstrap' => ['log'],
    'components' => [
        'urlManager' => [
            'showScriptName' => false,
            'enablePrettyUrl' => true,
            'rules' => [
                'posts/<id:\d+>' => 'posts/view',
                'posts' => 'posts/index',
            ],
        ],
        'request' => [
            // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation
            'cookieValidationKey' => 'yhYFOIvo4xkZG0NEB7BiAfXdPPmtq6mi',
        ],
        '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' => require(__DIR__ . '/db.php'),
        'assetManager' => [
            'class' => 'yii\web\AssetManager',
            'bundles' => [
                'yii\web\JqueryAsset' => [
                    // 'jsOptions' => ['position' => 1],
                    'js' => [
                        YII_ENV_DEV ? 'jquery.js' : 'jquery.min.js'
                    ]
                ],
                'yii\bootstrap\BootstrapAsset' => [
                    'css' => [
                        YII_ENV_DEV ? 'css/bootstrap.css' : 'css/bootstrap.min.css',
                    ]
                ],
                'yii\bootstrap\BootstrapPluginAsset' => [
                    'js' => [
                        YII_ENV_DEV ? 'js/bootstrap.js' : 'js/bootstrap.min.js',
                    ]
                ]
            ],
        ],
    ],
    'controllerMap' => [
        'file' => 'mdm\\upload\\FileController', // use to show or download file
    ],
    // 'defaultRoute' => 'posts/',
    'params' => $params,
];

if (YII_ENV_DEV) {
    // configuration adjustments for 'dev' environment
    $config['bootstrap'][] = 'debug';
    $config['modules']['debug'] = 'yii\debug\Module';

    $config['bootstrap'][] = 'gii';
    $config['modules']['gii'] = 'yii\gii\Module';
}

return $config;