【PHP】ThinkPHP 5.1公共上传类

    <?php
    namespace app\extra;
    /*
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     * and open the template in the editor.
     */
    
    //适配移动设备图片上传
    use think\Exception;
    use think\facade\Request;
    
    class ExtraUpload{
    
        /**
         * 默认上传配置
         * @var array
         */
        private $config = [
            'image' => [
                'validate' => [
                    'size' => 10*1024*1024,
                    'ext'  => 'jpg,png,gif,jpeg',
                ],
                'rootPath'      =>  './Uploads/images/', //保存根路径
            ],
            'audio' => [
                'validate' => [
                    'size' => 100*1024*1024,
                    'ext'  => 'mp3,wav,cd,ogg,wma,asf,rm,real,ape,midi',
                ],
                'rootPath'      =>  './Uploads/audios/', //保存根路径
            ],
            'video' => [
                'validate' => [
                    'size' => 100*1024*1024,
                    'ext'  => 'mp4,avi,rmvb,rm,mpg,mpeg,wmv,mkv,flv',
                ],
                'rootPath'      =>  './Uploads/videos/', //保存根路径
            ],
            'file' => [
                'validate' => [
                    'size' => 5*1024*1024,
                    'ext'  => 'doc,docx,xls,xlsx,pdf,ppt,txt,rar',
                ],
                'rootPath' =>  './Uploads/files/', //保存根路径
            ],
        ];
        private $domain;
        function __construct()
        {
            //获取当前域名
            $this->domain = Request::instance()->domain();
        }
    
        public function upload($fileName){
            if(empty($_FILES) || empty($_FILES[$fileName])){
    //            return '';
                returnResponse(100,'文件为空');
            }
    
            try{
                $file = request()->file($fileName);
                if (is_array($file)){
                    $path = [];
                    foreach ($file as $item){
                        $path[] =  $this->save($item);
                    }
                } else {
                    $path = $this->save($file);
                }
                return $path;
            } catch (\Exception $e){
                $arr = [
                    'status' => 0,
                    'message' => $e->getMessage(),
                ];
                header('Content-Type: application/json; charset=UTF-8');
                exit(json_encode($arr));
            }
        }
        public function uploadDetail($fileName){
            if(empty($_FILES) || empty($_FILES[$fileName])){
    //            return [];
                returnResponse(100,'文件为空');
            }
            try{
                $file = request()->file($fileName);
                if (is_array($file)){
                    $path = [];
                    foreach ($file as $item){
                        $detail = $item->getInfo();
                        $returnData['name'] = $detail['name'];
                        $returnData['type'] = $detail['type'];
                        $returnData['size'] = $detail['size'];
                        $returnData['filePath'] = $this->save($item);
                        $returnData['fullPath'] = $this->domain.$returnData['filePath'];
                        $path[] = $returnData;
                    }
                } else {
                    $detail = $file->getInfo();
                    $returnData['name'] = $detail['name'];
                    $returnData['type'] = $detail['type'];
                    $returnData['size'] = $detail['size'];
                    $returnData['filePath'] = $this->save($file);
                    $returnData['fullPath'] = $this->domain.$returnData['filePath'];
                    $path = $returnData;
                }
                return $path;
            } catch (\Exception $e){
                $arr = [
                    'status' => 0,
                    'message' => $e->getMessage(),
                ];
                header('Content-Type: application/json; charset=UTF-8');
                exit(json_encode($arr));
            }
        }
        private function getConfig($file){
            $name = pathinfo($file['name']);
            $end = $name['extension'];
            foreach ($this->config as $key=>$item){
                if ($item['validate']['ext'] && strpos($item['validate']['ext'], $end) !== false){
                    return $this->config[$key];
                }
            }
            return null;
        }
        private function save(&$file){
            $config = $this->getConfig($file->getInfo());
            if (empty($config)){
                throw new Exception('上传文件类型不被允许！');
            }
            // 移动到框架应用根目录/uploads/ 目录下
            if ($config['validate']) {
                $file->validate($config['validate']);
                $result = $file->move($config['rootPath']);
            } else {
                $result = $file->move($config['rootPath']);
            }
            if($result){
                $path = $config['rootPath'];
                if (strstr($path,'.') !== false){
                    $path = str_replace('.', '', $path);
                }
                return $path.$result->getSaveName();
            }else{
                // 上传失败获取错误信息
                throw new Exception($file->getError());
            }
        }
    }

    使用方法： 
    $p = new \app\extra\ExtraUpload();
    return $p->uploadDetail('file');