<?php

namespace common\core;
use yii\base\Exception;
use yii\base\Model;

/**
 * ---------------------------------------
 * 框架核心扩展模型，所有表单模型都继承自该类
 * ---------------------------------------
 */

class BaseModel extends Model {

    protected $sign = '';
    /**
     * ActiveRecord 数据验证，返回第一条错误验证
     * @param array $model
     * @return string
     */
    public function getErrorMsg($model = null)
    {
        if (!$model) {
            $model = $this;
        }
        $msg = isset($model->errors) ? current($model->errors)[0] : '数据异常！';
        return $msg;
    }

    public function setSign($val)
    {
        $this->sign = $val;
        return $this;
    }
}