Yii框架中的CRUD操作：简化数据库操作

yii gii/model --tableName=users

namespace appmodels;

use Yii;

/**
 * This is the model class for table "users".
 *
 * @property int $id
 * @property string $username
 * @property string $email
 * @property string $password_hash
 * @property int $status
 * @property string|null $auth_key
 * @property string|null $access_token
 */
class Users extends yiidbActiveRecord
{
    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return 'users';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['username', 'email', 'password_hash'], 'required'],
            [['status'], 'integer'],
            [['username', 'email', 'password_hash', 'auth_key', 'access_token'], 'string', 'max' => 255],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'username' => 'Username',
            'email' => 'Email',
            'password_hash' => 'Password Hash',
            'status' => 'Status',
            'auth_key' => 'Auth Key',
            'access_token' => 'Access Token',
        ];
    }
}

$users = Users::find()->all();

$user = Users::findOne($id);

$users = Users::find()
    ->where(['status' => 1])
    ->orderBy('id DESC')
    ->all();

$user = new Users();
$user->username = 'test';
$user->email = 'test@example.com';
$user->password_hash = '123456';
$user->status = 1;
$user->save();

$user = Users::findOne($id);
$user->username = 'newUsername';
$user->save();

$user = Users::findOne($id);
$user->delete();