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