suyuan/app/common/service/storage/Driver.php

129 lines
2.8 KiB
PHP

<?php
namespace app\common\service\storage;
use think\Exception;
/**
* 存储模块驱动
* Class driver
* @package app\common\library\storage
*/
class Driver
{
private $config; // upload 配置
private $engine; // 当前存储引擎类
/**
* 构造方法
* Driver constructor.
* @param $config
* @param null|string $storage 指定存储方式,如不指定则为系统默认
* @throws Exception
*/
public function __construct($config, $storage = null)
{
$this->config = $config;
$this->engine = $this->getEngineClass($storage);
}
/**
* 设置上传的文件信息
* @param string $name
* @return mixed
*/
public function setUploadFile($name = 'iFile')
{
return $this->engine->setUploadFile($name);
}
/**
* 设置上传的文件信息
* @param string $filePath
* @return mixed
*/
public function setUploadFileByReal($filePath)
{
return $this->engine->setUploadFileByReal($filePath);
}
/**
* 执行文件上传
* @param $save_dir (保存路径)
* @return mixed
*/
public function upload($save_dir)
{
return $this->engine->upload($save_dir);
}
/**
* Notes: 抓取网络资源
* @param $url
* @param $key
* @author 张无忌(2021/3/2 14:16)
* @return mixed
*/
public function fetch($url, $key) {
return $this->engine->fetch($url, $key);
}
/**
* 执行文件删除
* @param $fileName
* @return mixed
*/
public function delete($fileName)
{
return $this->engine->delete($fileName);
}
/**
* 获取错误信息
* @return mixed
*/
public function getError()
{
return $this->engine->getError();
}
/**
* 获取文件路径
* @return mixed
*/
public function getFileName()
{
return $this->engine->getFileName();
}
/**
* 返回文件信息
* @return mixed
*/
public function getFileInfo()
{
return $this->engine->getFileInfo();
}
/**
* 获取当前的存储引擎
* @param null|string $storage 指定存储方式,如不指定则为系统默认
* @return mixed
* @throws Exception
*/
private function getEngineClass($storage = null)
{
$engineName = is_null($storage) ? $this->config['default'] : $storage;
$classSpace = __NAMESPACE__ . '\\engine\\' . ucfirst($engineName);
if (!class_exists($classSpace)) {
throw new Exception('未找到存储引擎类: ' . $engineName);
}
if($engineName == 'local') {
return new $classSpace();
}
return new $classSpace($this->config['engine'][$engineName]);
}
}