Magento2 自定义生成日志函数

    /**
     * @param $info
     * @param string $file
     * @return bool
     */

    public function logger($info, $file = "default.log")
    {
        if(!$this->log)
            return false;

        $baseUrl = str_replace('\\', DIRECTORY_SEPARATOR, realpath(dirname(dirname(dirname(dirname(dirname(__FILE__))))) . '/')) . '/';
        $path = explode('.', $file);
        $path = $path[0];
        if(!is_dir($baseUrl.'/../var/log/'.$path)){
            mkdir($baseUrl.'/../var/log/'.$path,0755);
        }
        $file = $path."-".date('Y-m-d',time()).'.'.pathinfo($file)['extension'];

        /**
         * @var $writer \Zend\Log\Writer\Stream
         * @var $logger \Zend\Log\Logger
         */

        $writer = new \Zend\Log\Writer\Stream(BP.'/var/log/'.$path.'/'.$file);
        $logger = new \Zend\Log\Logger();
        $logger->addWriter($writer);
        $logger->info(json_encode($info));
    }