yii框架数据库

<?php

namespace app\models;

use yii\db\ActiveRecord;

class User extends ActiveRecord
{
    public static function tableName()
    {
        return 'user';
    }

    public function rules()
    {
        return [
            [['username', 'email'], 'required'],
            ['email', 'email'],
        ];
    }

    public function attributeLabels()
    {
        return [
            'username' => '用户名',
            'email' => '邮箱',
        ];
    }
}

<?php

namespace app\controllers;

use Yii;
use app\models\User;

class UserController extends \yii\web\Controller
{
    public function actionIndex()
    {
        $users = User::find()->all();
        return $this->render('index', ['users' => $users]);
    }
}