<?php namespace My\Library;

class Upload extends \Phpcmf\Library\Upload
{
/**
     * 原名称
     */
    protected function _rand_save_file_path($config, $file_ext, $file) {

        $diy = 0;
        $name = '';
        if (isset($config['save_name']) && $config['save_name']) {
            if ($config['save_name'] == 'null') {
                // 按原始名称
                if (is_array($file) && isset($file['name']) && $file['name']) {
                    $name = trim(\Phpcmf\Service::L('pinyin')->result(dr_safe_filename($file['name'])), '.'.$file_ext);
                }
            } else {
                $name = $config['save_name'];
            }
        }

        // 随机新名字
        !$name && $name = (is_array($file) ? dr_safe_filename($file['name']) : substr(md5(SYS_TIME.uniqid()), rand(0, 20), 15));

        if (isset($config['save_file']) && $config['save_file']) {
            // 指定存储名称
            $diy = 1;
            $file_path = $config['save_file'];
            $config['save_file'] = dirname($file_path);
            $config['attachment']['value']['path'] = 'null';
        } else {
            if (isset($config['save_path']) && $config['save_path']) {
                // 指定存储路径
                $diy = 1;
                $path = $config['save_path'];
                $config['save_file'] = $path;
                $config['attachment']['value']['path'] = 'null';
            } else {
                if (isset($config['path']) && $config['path']) {
                    $path = $config['path'].'/'; // 按开发自定义参数
                } elseif (defined('SYS_ATTACHMENT_SAVE_TYPE') && SYS_ATTACHMENT_SAVE_TYPE) {
                    // 按后台设置目录
                    if (SYS_ATTACHMENT_SAVE_DIR) {
                        $path = str_replace(
                                ['{y}', '{m}', '{d}', '{yy}', '.'],
                                [date('Y', SYS_TIME), date('m', SYS_TIME), date('d', SYS_TIME), date('y', SYS_TIME), ''],
                                trim(SYS_ATTACHMENT_SAVE_DIR, '/')).'/';
                    } else {
                        $path = '';
                    }
                } else {
                    // 默认目录格式
                    $path = date('Ym', SYS_TIME).'/';
                }
            }
            $file_path = $path.$name.'.'.$file_ext;
        }

        return [$file_path, $config, $diy];
    }

}