<?php
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namespace app\common\library\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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*/
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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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protected $error;
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/**
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* 构造方法
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*/
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public function __construct($config, $storage = null)
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{
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$this->config = $config;
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// 实例化当前存储引擎
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$this->engine = $this->getEngineClass($storage);
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}
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public function validate($name, $fileInfo, $sence = 'image'){
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if($sence == 'image'){
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// 文件校验
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try{
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validate([$name=>[
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'fileSize' => $this->config['max_image'] * 1024 * 1024, // 默认2M
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'fileExt' => 'jpg,jpeg,png,gif,bmp',
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'fileMime' => 'image/jpeg,image/png,image/gif,image/bmp',
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]],
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[
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$name.'.fileSize' => '最大可上传'. $this->config['max_image'] .'M图片',
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$name.'.fileExt' => '只能上传jpg,jpeg,png,gif,bmp格式图片',
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$name.'.fileMime' => '只能上传jpg,jpeg,png,gif,bmp格式图片'
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]
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)->check([$name => $fileInfo]);
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return true;
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}catch (\Exception $e){
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$this->engine->error = $e->getMessage();
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return false;
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}
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}
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if($sence == 'video'){
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// 文件校验
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try{
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validate([$name=>[
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'fileSize' => $this->config['max_video'] * 1024 * 1024, // 默认10M
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'fileExt' => 'mp4',
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'fileMime' => 'video/mp4',
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]],
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[
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$name.'.fileSize' => '最大可上传'. $this->config['max_video'] .'M视频',
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$name.'.fileExt' => '只能上传mp4格式视频',
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$name.'.fileMime' => '只能上传mp4格式视频'
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]
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)->check([$name => $fileInfo]);
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return true;
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}catch (\Exception $e){
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$this->engine->error = $e->getMessage();
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return false;
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}
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}
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return false;
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}
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/**
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* 设置上传的文件信息
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*/
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public function setUploadFile($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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*/
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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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*/
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public function upload()
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{
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return $this->engine->upload();
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}
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/**
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* 执行生成缩略图
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*/
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public function createThumb($saveName, $is_original = false)
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{
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return $this->engine->createThumb($saveName, $is_original);
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}
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/**
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* 执行文件删除
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*/
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public function delete($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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*/
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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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*/
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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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*/
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public function getFileInfo()
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{
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return $this->engine->getFileInfo();
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}
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/**
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* 获取当前的存储引擎
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*/
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private function getEngineClass($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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return new $classSpace($this->config['engine'][$engineName]);
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}
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}
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