php yii框架

return [
    'class' => 'yii\db\Connection',
    'dsn' => 'mysql:host=localhost;dbname=mydatabase',
    'username' => 'myuser',
    'password' => 'mypassword',
    'charset' => 'utf8',
];

namespace app\controllers;

use yii\web\Controller;

class MyController extends Controller
{
    public function actionIndex()
    {
        return $this->render('index');
    }
}

<?php $form = ActiveForm::begin(['id' => 'contact-form']); ?>

<?= $form->field($model, 'name')->textInput(['autofocus' => true]) ?>

<?= $form->field($model, 'email') ?>

<?= $form->field($model, 'subject') ?>

<?= $form->field($model, 'body')->textarea(['rows' => 6]) ?>

<div class="form-group">
    <?= Html::submitButton('Submit', ['class' => 'btn btn-primary', 'name' => 'contact-button']) ?>
</div>

<?php ActiveForm::end(); ?>

public function actionCreate()
{
    $model = new MyModel();

    if ($model->load(Yii::$app->request->post()) && $model->save()) {
        return $this->redirect(['view', 'id' => $model->id]);
    } else {
        return $this->render('create', [
            'model' => $model,
        ]);
    }
}