src/classes/Slion/Meta/Serializable.php
public function serialize() {
        $arr[] = static::$_version;
        foreach ($this->getDefault() as $name => $default) {
            $arr[] = isset($this->$name) ? $this->$name : $default;
        }
        return static::pack($arr);
    }
public function serialize() {
        $arr[] = static::$_version;
        foreach ($this->getDefault() as $name => $default) {
            $arr[] = isset($this->$name) ? $this->$name : $default;
        }
        return static::pack($arr);
    }
序列化相关
@return string