refactor: 七牛云上传

.example.env

@@ -47,6 +47,13 @@ REFRESH_TOKEN_LIFETIME = 1209600; # 刷新令牌有效期
 RESOURCE_IMAGES_DOMAIN = http://local.orico.com; # 图片资源服务器地址
 RESOURCE_VIDEOS_DOMAIN = http://local.orico.com; # 视频资源服务器地址
 
+# 七牛云存储配置
+[QINUI]
+BUCKET = orico
+BASE_URL = http://local.orico.com
+ACCESS_KEY = 1234567890
+SECRET_KEY = 1234567890
+
 # 前台视图模板规则配置
 [INDEX_VIEW_TPL]
 # 视图目录

app/admin/controller/v1/Upload.php

@@ -9,6 +9,7 @@ use app\admin\model\v1\SysAttachmentUploadRecordModel;
 use Intervention\Image\ImageManager;
 use Intervention\Image\Typography\FontFactory;
 use think\facade\Filesystem;
+use filesystem\Qiniu;
 
 /**
  * 文件上传控制器
@@ -153,8 +154,8 @@ class Upload
                 $image_model              = new SysImageUploadRecordModel();
                 $image_model->language_id = request()->lang_id;
                 $image_model->module      = $param['module'];
-                $image_model->image_path  = $filename;
-                $image_model->image_thumb = $thumb_filename;
+                $image_model->image_path  = $storage . '/' . $filename;
+                $image_model->image_thumb = $storage . '/' . $thumb_filename;
                 $image_model->file_size   = $file_size;
                 $image_model->file_type   = $mime_type;
                 $image_model->file_md5    = $filemd5;
@@ -165,8 +166,8 @@ class Upload
             }
 
             return success('操作成功', [
-                'path'       => $storage . '/' . $image_model->image_path,
-                'thumb_path' => $storage . '/' . $image_model->image_thumb,
+                'path'       => $image_model->image_path,
+                'thumb_path' => $image_model->image_thumb,
                 'filemd5'    => $image_model->file_md5,
                 'filesha1'   => $image_model->file_sha1
             ]);
@@ -226,6 +227,7 @@ class Upload
             'filename_keep'  => (int)data_get($options, 'filename_keep.value', 0)  == 1,
             'filemd5_unique' => (int)data_get($options, 'filemd5_unique.value', 0) == 1,
             'filetype_to'    => data_get($options, 'filetype_to.value', 'original'),
+            'save_to'        => data_get($options, 'save_to.value', 'local'),
         ];
     }
     /**
@@ -345,20 +347,35 @@ class Upload
             // 获取视频上传配置
             list(
                 'filename_keep'  => $filename_keep,
-                'filemd5_unique' => $filemd5_unique
+                'filemd5_unique' => $filemd5_unique,
+                'save_to'        => $save_to,
             ) = $this->getUploadOptions('upload_video');
             // 是否需要根据文件MD5值检查文件是否已存在
             $video = $filemd5_unique ? SysVideoUploadRecordModel::md5($filemd5)->find() : null;
             if (is_null($video)) {
+                // 保存位置配置 key
+                $disk = 'video';
                 // 检查是否需要保留原文件名
                 $name_rule = fn() => $filename_keep ? $this->filenameGenerator($file) : null;
-                $filename  = Filesystem::disk('video')->putFile($param['module'], $file, $name_rule());
+
+                // 保存到七牛云
+                if ($save_to == 'qiniu_cloud') {
+                    $disk      = 'video_qiniu';
+                    $storage   = config('filesystem.disks.video_qiniu.path_prefix');
+                }
+                $filename  = Filesystem::disk($disk)->putFile($param['module'], $file, $name_rule());
+
+                // 组装视频路径
+                $video_path = $storage . '/' . $filename;
+                if ($save_to == 'qiniu_cloud') {
+                    $video_path = Filesystem::disk($disk)->url($filename);
+                }
 
                 // 保存视频
                 $video              = new SysVideoUploadRecordModel();
                 $video->language_id = request()->lang_id;
                 $video->module      = $param['module'];
-                $video->video_path  = $filename;
+                $video->video_path  = $video_path;
                 $video->file_size   = $file->getSize();
                 $video->file_type   = $file->getOriginalMime();
                 $video->file_md5    = $filemd5;
@@ -369,7 +386,7 @@ class Upload
             }
 
             return success('上传成功', [
-                'path'      => $storage . '/' . $video->video_path,
+                'path'      => $video->video_path,
                 'file_md5'  => $video->file_md5,
                 'file_sha1' => $video->file_sha1
             ]);
@@ -399,25 +416,42 @@ class Upload
                 return error($validate->getError());
             }
 
+            $storage = config('filesystem.disks.public.url');
+
             $filemd5  = $file->md5();
             $filesha1 = $file->sha1();
 
             // 获取附件上传配置
             list(
                 'filename_keep'  => $filename_keep,
-                'filemd5_unique' => $filemd5_unique
+                'filemd5_unique' => $filemd5_unique,
+                'save_to'        => $save_to
             ) = $this->getUploadOptions('upload_attachment');
             // 是否需要根据文件MD5值检查文件是否已存在
             $attachment = $filemd5_unique ? SysAttachmentUploadRecordModel::md5($filemd5)->find() : null;
             if (is_null($attachment)) {
+                // 保存位置配置 key
+                $disk = 'public';
                 // 检查是否需要保留原文件名
                 $name_rule = fn() => $filename_keep ? $this->filenameGenerator($file) : null;
-                $filename  = Filesystem::disk('public')->putFile('attachments', $file, $name_rule());
 
-                // 保存视频
+                // 保存到七牛云
+                if ($save_to == 'qiniu_cloud') {
+                    $disk      = 'public_qiniu';
+                    $storage   = config('filesystem.disks.public_qiniu.path_prefix');
+                }
+                $filename  = Filesystem::disk($disk)->putFile('attachments', $file, $name_rule());
+
+                // 组装附件路径
+                $attachment_path = $storage . '/' . $filename;
+                if ($save_to == 'qiniu_cloud') {
+                    $attachment_path = Filesystem::disk($disk)->url($filename);
+                }
+
+                // 保存附件
                 $attachment                  = new SysAttachmentUploadRecordModel();
                 $attachment->language_id     = request()->lang_id;
-                $attachment->attachment_path = $filename;
+                $attachment->attachment_path = $attachment_path;
                 $attachment->file_size       = $file->getSize();
                 $attachment->file_type       = $file->getOriginalMime();
                 $attachment->file_md5        = $filemd5;
@@ -427,9 +461,8 @@ class Upload
                 }
             }
 
-            $storage = config('filesystem.disks.public.url');
             return success('上传成功', [
-                'path'      => $storage . '/' . $attachment->attachment_path,
+                'path'      => $attachment->attachment_path,
                 'file_md5'  => $attachment->file_md5,
                 'file_sha1' => $attachment->file_sha1
             ]);

app/common.php

@@ -144,4 +144,50 @@ if (!function_exists('thumb')) {
 
         return mb_substr($url, 0, $idx, 'utf-8') . '_thumb' . mb_substr($url, $idx, $len - $idx, 'utf-8');
     }
+}
+
+if (!function_exists('get_filesystem_url')) {
+    /**
+     * 获取文件系统的访问 URL
+     * @param string $url 文件地址
+     * @param string $disk 磁盘配置 key
+     * @return string
+     */
+    function get_filesystem_url(string $url, string $disk): string
+    {
+        if (\think\helper\Str::startsWith($url, ['http://', 'https://'])) {
+            return $url;
+        }
+        if (empty($disk)) {
+            return '';
+        }
+        return \think\facade\Filesystem::disk($disk)->url($url);
+    }
+}
+
+if (!function_exists('url_filesystem_detect')) {
+    /**
+     * 检测文件地址并根据情况转换为文件系统地址
+     * @param string $url 文件地址
+     * @return string
+     */
+    function url_filesystem_detect(string $url): string
+    {
+        $idx = strrpos($url, '.');
+        if ($idx === false) {
+            return $url;
+        }
+
+        $disks = [
+            'public_qiniu' => '_' . base64_encode('public_qiniu'), 
+            'video_qiniu' => '_' . base64_encode('video_qiniu')
+        ];
+        foreach ($disks as $disk => $marker) {
+            if (str_ends_with(mb_substr($url, 0, $idx), $marker)) {
+                return get_filesystem_url($url, $disk);
+            }
+        }
+
+        return $url;
+    }
 }

app/index/controller/Attachment.php

@@ -26,8 +26,6 @@ class Attachment extends Common
             'size/d'  => 12,
         ]);
 
-        
-
         // 获取附件分类
         $categorys = AttachmentCategoryModel::field([
                 'id',
@@ -61,6 +59,16 @@ class Attachment extends Common
                     'id' => $param['id']??null
                 ]
             ]);
+        if (!$attachements->isEmpty()) {
+            $attachements->each(function($item) {
+                if (is_array($item->attach)) {
+                    $item->attach = array_map(function($v) {
+                        $v['file_path'] = url_filesystem_detect($v['file_path']);
+                        return $v;
+                    }, $item->attach);
+                }
+            });
+        }
         View::assign('attachements', $attachements);
         View::assign('page', $attachements->render());
 
@@ -124,6 +132,9 @@ class Attachment extends Common
             ]);
         
         if (!$videos->isEmpty()) {
+            $videos->each(function($item) {
+                $item->video = url_filesystem_detect($item->video);
+            });
             $videos->setCollection($videos->getCollection()->chunk(2));
         }
         View::assign('videos', $videos);

composer.json

@@ -23,7 +23,7 @@
         "php": ">=8.0.0",
         "topthink/framework": "^8.0",
         "topthink/think-orm": "v3.0.34",
-        "topthink/think-filesystem": "^2.0",
+        "topthink/think-filesystem": "^3.0",
         "topthink/think-multi-app": "^1.1",
         "topthink/think-migration": "^3.1",
         "topthink/think-view": "^2.0",

config/filesystem.php

@@ -39,6 +39,60 @@ return [
             // 可见性
             'visibility' => 'public',
         ],
+        'public_qiniu' => [
+            // 磁盘类型
+            'type'                  => \filesystem\driver\Qiniu::class,
+            // bucker 名称
+            'bucket'                => 'orico-official-website',
+            // 访问密钥
+            'access_key'            => 'dOsTum4a5qvhPTBbZRPX0pIOU7PZWRX7htKjztms',
+            // 密钥
+            'secret_key'            => 'KFxsGbnErkALFfeGdMa8QWTdodJbamMX0iznLe-q',
+            // 外部URL
+            'base_url'              => '//szw73dlk3.hn-bkt.clouddn.com',
+            // 路径
+            'path_prefix'           => '/storage',
+            // 文件名称回调，可为文件名添加特定标志，以便可以在后续识别
+            'filename_generator'    => function (\think\file\UploadedFile $file, callable $context_generator = null): callable {
+                return function() use ($file, $context_generator) {
+                    // 为文件名称添加配置名，以为后续可能根据文件名识别文件所属存储配置信息
+                    $marker   = '_' . base64_encode('public_qiniu');
+                    $filename = $context_generator ? $context_generator($file) : null;
+                    if ($filename == null) {
+                        return date('Ymd') . '/' . md5(microtime(true) . $file->getPathname()) . $marker;
+                    }
+
+                    return $filename . $marker;
+                };
+            },
+        ],
+        'video_qiniu' => [
+            // 磁盘类型
+            'type'                  => \filesystem\driver\Qiniu::class,
+            // bucker 名称
+            'bucket'                => 'orico-official-website',
+            // 访问密钥
+            'access_key'            => 'dOsTum4a5qvhPTBbZRPX0pIOU7PZWRX7htKjztms',
+            // 密钥
+            'secret_key'            => 'KFxsGbnErkALFfeGdMa8QWTdodJbamMX0iznLe-q',
+            // 外部URL
+            'base_url'              => '//szw73dlk3.hn-bkt.clouddn.com',
+            // 路径
+            'path_prefix'           => '/storage/videos',
+            // 文件名称回调，可为文件名添加特定标志，以便可以在后续识别
+            'filename_generator'    => function (\think\file\UploadedFile $file, callable $context_generator = null): callable {
+                return function() use ($file, $context_generator) {
+                    // 为文件名称添加配置名，以为后续可能根据文件名识别文件所属存储配置信息
+                    $marker   = '_' . base64_encode('video_qiniu');
+                    $filename = $context_generator ? $context_generator() : null;
+                    if ($filename == null) {
+                        return date('Ymd') . '/' . md5(microtime(true) . $file->getPathname()) . $marker;
+                    }
+
+                    return $filename . $marker;
+                };
+            },
+        ]
         // 更多的磁盘配置信息
     ],
 ];

extend/filesystem/adapter/QiniuAdapter.php

@@ -0,0 +1,295 @@
+<?php
+namespace filesystem\adapter;
+
+use League\Flysystem\Config;
+use League\Flysystem\FilesystemAdapter;
+use League\Flysystem\FileAttributes;
+use League\Flysystem\UnableToCopyFile;
+use League\Flysystem\UnableToDeleteFile;
+use League\Flysystem\UnableToMoveFile;
+use League\Flysystem\UnableToReadFile;
+use League\Flysystem\UnableToRetrieveMetadata;
+use League\Flysystem\UnableToSetVisibility;
+use League\Flysystem\UnableToWriteFile;
+use Qiniu\Auth;
+use Qiniu\Storage\UploadManager;
+use Qiniu\Storage\BucketManager;
+
+class QiniuAdapter implements FilesystemAdapter
+{
+    protected ?Auth $authMgr;
+    protected ?UploadManager $uploadMgr;
+    protected ?BucketManager $bucketMgr;
+
+    public function __construct(protected string $access_key, protected string $secret_key, protected string $bucket, protected string $base_url, protected string $path)
+    {
+    }
+
+    private function getAuthMgr(): Auth
+    {
+        return $this->authMgr ?? new Auth($this->access_key, $this->secret_key);
+    }
+
+    private function getUploadMgr(): UploadManager
+    {
+        return $this->uploadMgr ?? new UploadManager();
+    }
+
+    private function getBucketMgr(): BucketManager
+    {
+        return $this->bucketMgr ?? new BucketManager($this->authMgr);
+    }
+
+    private function getPathPrefix(): string
+    {
+        $path = ltrim($this->path, '\\/');
+        if ($path !== '' && !str_ends_with($path, '/')) {
+            $path = $path . '/';
+        }
+
+        return $path;
+    }
+
+    private function applyPathPrefix(string $path): string
+    {
+        $path = ltrim($path, '\\/');
+        return $this->getPathPrefix() . $path;
+    }
+
+    private static function parseUrl($url): array
+    {
+        $result = [];
+
+        // Build arrays of values we need to decode before parsing
+        $entities = [
+            '%21',
+            '%2A',
+            '%27',
+            '%28',
+            '%29',
+            '%3B',
+            '%3A',
+            '%40',
+            '%26',
+            '%3D',
+            '%24',
+            '%2C',
+            '%2F',
+            '%3F',
+            '%23',
+            '%5B',
+            '%5D',
+            '%5C'
+        ];
+        $replacements = ['!', '*', "'", '(', ')', ';', ':', '@', '&', '=', '$', ',', '/', '?', '#', '[', ']', '/'];
+
+        // Create encoded URL with special URL characters decoded so it can be parsed
+        // All other characters will be encoded
+        $encodedURL = str_replace($entities, $replacements, urlencode($url));
+
+        // Parse the encoded URL
+        $encodedParts = parse_url($encodedURL);
+
+        // Now, decode each value of the resulting array
+        if ($encodedParts) {
+            foreach ($encodedParts as $key => $value) {
+                $result[$key] = urldecode(str_replace($replacements, $entities, $value));
+            }
+        }
+
+        return $result;
+    }
+
+    private function normalizeHost($domain): string
+    {
+        if (0 !== stripos($domain, 'https://') && 0 !== stripos($domain, 'http://')) {
+            $domain = "http://{$domain}";
+        }
+
+        return rtrim($domain, '/') . '/';
+    }
+
+    private function getUrl(string $path): string
+    {
+        $segments = $this->parseUrl($path);
+        $query = empty($segments['query']) ? '' : '?' . $segments['query'];
+
+        return $this->normalizeHost($this->base_url) . ltrim(implode('/', array_map('rawurlencode', explode('/', $segments['path']))), '/') . $query;
+    }
+
+    private function privateDownloadUrl(string $path, int $expires = 3600): string
+    {
+        return $this->getAuthMgr()->privateDownloadUrl($this->getUrl($path), $expires);
+    }
+
+    private function getMetadata($path): FileAttributes|array
+    {
+        $result = $this->getBucketMgr()->stat($this->bucket, $path);
+        $result[0]['key'] = $path;
+
+        return $this->normalizeFileInfo($result[0]);
+    }
+
+    private function normalizeFileInfo(array $stats): FileAttributes
+    {
+        return new FileAttributes(
+            $stats['key'],
+            $stats['fsize'] ?? null,
+            null,
+            isset($stats['putTime']) ? floor($stats['putTime'] / 10000000) : null,
+            $stats['mimeType'] ?? null
+        );
+    }
+
+    public function fileExists(string $path): bool
+    {
+        [, $error] = $this->getBucketMgr()->stat($this->bucket, $this->applyPathPrefix($path));
+        return is_null($error);
+    }
+
+    public function directoryExists(string $path): bool
+    {
+        return $this->fileExists($path);
+    }
+
+    public function write(string $path, string $contents, Config $config): void
+    {
+        $mime = $config->get('mime', 'application/octet-stream');
+
+        /**
+         * @var Error|null $error
+         */
+        [, $error] = $this->getUploadMgr()->put(
+            $this->getAuthMgr()->uploadToken($this->bucket),
+            $this->applyPathPrefix($path),
+            $contents,
+            null,
+            $mime,
+            $path
+        );
+
+        if ($error) {
+            throw UnableToWriteFile::atLocation($path, $error->message());
+        }
+    }
+
+    public function writeStream(string $path, $resource, Config $config): void
+    {
+        $data = '';
+
+        while (!feof($resource)) {
+            $data .= fread($resource, 1024);
+        }
+
+        $this->write($path, $data, $config);
+    }
+
+    public function read(string $path): string
+    {
+        try {
+            $result = file_get_contents($this->privateDownloadUrl($path));
+        } catch (\Exception $th) {
+            throw UnableToReadFile::fromLocation($path);
+        }
+
+        if (false === $result) {
+            throw UnableToReadFile::fromLocation($path);
+        }
+
+        return $result;
+    }
+
+    public function readStream(string $path)
+    {
+        if (ini_get('allow_url_fopen')) {
+            if ($result = fopen($this->privateDownloadUrl($path), 'r')) {
+                return $result;
+            }
+        }
+
+        throw UnableToReadFile::fromLocation($path);
+    }
+
+    public function delete(string $path): void
+    {
+        [, $error] = $this->getBucketMgr()->delete($this->bucket, $this->applyPathPrefix($path));
+        if (!is_null($error)) {
+            throw UnableToDeleteFile::atLocation($path);
+        }
+    }
+
+    public function deleteDirectory(string $path): void
+    {
+        $this->delete($path);
+    }
+
+    public function createDirectory(string $path, Config $config): void
+    {
+    }
+
+    public function setVisibility(string $path, string $visibility): void
+    {
+        throw UnableToSetVisibility::atLocation($path);
+    }
+
+    public function visibility(string $path): FileAttributes
+    {
+        throw UnableToRetrieveMetadata::visibility($path);
+    }
+
+    public function mimeType(string $path): FileAttributes
+    {
+        $meta = $this->getMetadata($path);
+
+        if ($meta->mimeType() === null) {
+            throw UnableToRetrieveMetadata::mimeType($path);
+        }
+
+        return $meta;
+    }
+
+    public function lastModified(string $path): FileAttributes
+    {
+        $meta = $this->getMetadata($path);
+
+        if ($meta->lastModified() === null) {
+            throw UnableToRetrieveMetadata::lastModified($path);
+        }
+        return $meta;
+    }
+
+    public function fileSize(string $path): FileAttributes
+    {
+        $meta = $this->getMetadata($path);
+
+        if ($meta->fileSize() === null) {
+            throw UnableToRetrieveMetadata::fileSize($path);
+        }
+        return $meta;
+    }
+
+    public function listContents(string $path, bool $deep): iterable
+    {
+        $result = $this->getBucketMgr()->listFiles($this->bucket, $path);
+
+        foreach ($result[0]['items'] ?? [] as $files) {
+            yield $this->normalizeFileInfo($files);
+        }
+    }
+
+    public function move(string $source, string $destination, Config $config): void
+    {
+        [, $error] = $this->getBucketMgr()->rename($this->bucket, $source, $destination);
+        if (!is_null($error)) {
+            throw UnableToMoveFile::fromLocationTo($source, $destination);
+        }
+    }
+
+    public function copy(string $source, string $destination, Config $config): void
+    {
+        [, $error] = $this->getBucketMgr()->copy($this->bucket, $source, $this->bucket, $destination);
+        if (!is_null($error)) {
+            throw UnableToCopyFile::fromLocationTo($source, $destination);
+        }
+    }
+}

extend/filesystem/driver/Qiniu.php

@@ -0,0 +1,56 @@
+<?php
+namespace filesystem\driver;
+
+use Closure;
+use filesystem\adapter\QiniuAdapter;
+use League\Flysystem\FilesystemAdapter;
+
+class Qiniu extends \think\filesystem\Driver
+{
+    protected function createAdapter(): FilesystemAdapter
+    {
+        return new QiniuAdapter(
+            $this->config['access_key'],
+            $this->config['secret_key'],
+            $this->config['bucket'],
+            $this->config['base_url'],
+            $this->config['path_prefix']
+        );
+    }
+
+    /**
+     * 保存文件
+     * @param string $path 路径
+     * @param \think\File $file 文件
+     * @param null|string|\Closure $rule 文件名规则
+     * @param array $options 参数
+     * @return bool|string
+     */
+    public function putFile(string $path, \think\File $file, $rule = null, array $options = [])
+    {
+        if (!empty($this->config['filename_generator']) && $this->config['filename_generator'] instanceof Closure) {
+            $rule = $this->config['filename_generator']($file, $rule);
+        }
+        
+        return $this->putFileAs($path, $file, $file->hashName($rule), $options);
+    }
+
+    public function url(string $path): string
+    {
+        if (str_starts_with($path, 'http://') || str_starts_with($path, 'https://')) {
+            return $path;
+        }
+        if (!str_starts_with($path, $this->config['path_prefix'])) {
+            $path = $this->config['path_prefix'] . '/' . $path;
+        }
+        return $this->concatPathToUrl($this->config['base_url'], $path);
+    }
+
+    public function path(string $path): string
+    {
+        if (!str_starts_with($path, $this->config['path_prefix'])) {
+            $path = $this->config['path_prefix'] . '/' . $path;
+        }
+        return $path;
+    }
+}

extend/uploader/Qiniu.php

@@ -1,157 +0,0 @@
-<?php
-namespace uploader;
-
-use Qiniu\Auth;
-use Qiniu\Storage\UploadManager;
-use Qiniu\Storage\BucketManager;
-
-class QiniuUploader
-{
-    private $bucket = 'orico-opd';
-    private $accessKey = 'dOsTum4a5qvhPTBbZRPX0pIOU7PZWRX7htKjztms';
-    private $secretKey = 'KFxsGbnErkALFfeGdMa8QWTdodJbamMX0iznLe-q';
-
-    private $rule = [
-        'fileSize' => 1024 * 1024 * 5, // 默认最大上传5M
-        'fileExt' => 'jpeg,jpg,png', // 默认上传文件后缀
-        'fileMime' => 'image/jpeg,image/png,image/gif' // 默认上传文件mime
-    ];
-
-    private $dir = true;
-    private $originalName = false;
-    private $pathPrefix = '';
-    private $fileNamePrefix = 'orico';
-
-    static public $domain = 'http://opdfile.f2b211.com/';
-
-    public function __construct($conf = [])
-    {
-        if (!empty($conf['bucket'])) {
-            $this->bucket = $conf['bucket'];
-        }
-        if (!empty($conf['accessKey'])) {
-            $this->accessKey = $conf['accessKey'];
-        }
-        if (!empty($conf['secretKey'])) {
-            $this->secretKey = $conf['secretKey'];
-        }
-        if (!empty($conf['pathPrefix'])) {
-            $this->pathPrefix = trim($conf['pathPrefix'], '/');
-        }
-    }
-
-    /**
-     * 生成随机字符串
-     */
-    private function random($length, $type = "string", $convert = "0")
-    {
-        $conf = [
-            'number' => '0123456789',
-            'string' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
-            'all' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789='
-        ];
-        $string = $conf[$type];
-        if (!$string) {
-            $string = $conf['string'];
-        }
-        $strlen = strlen($string) - 1;
-        $char = '';
-        for ($i = 0; $i < $length; $i++) {
-            $char .= $string[mt_rand(0, $strlen)];
-        }
-        if ($convert > 0) {
-            $res = strtoupper($char);
-        } elseif ($convert == 0) {
-            $res = $char;
-        } elseif ($convert < 0) {
-            $res = strtolower($char);
-        }
-        return $res;
-    }
-
-    /**
-     * 组装文件名
-     */
-    private function buildFileName()
-    {
-        return $this->fileNamePrefix . time() . substr(time(), -5) . substr(microtime(), 2, 3) . $this->random(8);
-    }
-
-    /**
-     * 上传验证规则
-     */
-    public function validate($rule)
-    {
-        $this->rule = $rule;
-    }
-
-    /**
-     * 上传文件到七牛云
-     */
-    public function uploadFile($name)
-    {
-        // 构建鉴权对象
-        $auth = new Auth($this->accessKey, $this->secretKey);
-
-        // 生成上传 Token
-        $token = $auth->uploadToken($this->bucket);
-
-        // 初始化 UploadManager 对象并进行文件的上传。
-        $uploadMgr = new UploadManager();
-
-        $file = request()->file($name);
-
-        $aspectRatio = [];
-        if (!empty($this->rule['aspectRatio'])) {
-            $aspectRatio = $this->rule['aspectRatio'];
-            unset($this->rule['aspectRatio']);
-        }
-        $validate = validate([$name => $this->rule]);
-        if (!$validate->check([$name => $file])) {
-            throw new \Exception($validate->getError());
-        }
-
-        $fileName = $file->getOriginalName(); // 文件原名
-        if (!$this->originalName) {
-            $fileName = $this->buildFileName() . '.' . $file->extension();
-            if (!$this->dir && !empty($this->pathPrefix)) {
-                $fileName = $this->pathPrefix . '/' . $fileName;
-            }
-        }
-        if ($this->dir) {
-            $fileName = date('Y') . '/' . date('m') . '/' . date('d') . '/' . $fileName;
-            if (!empty($this->pathPrefix)) {
-                $fileName = $this->pathPrefix . '/' . $fileName;
-            }
-        }
-        $filePath = $file->getPathname(); // 临时路径
-        if (!empty($aspectRatio)) { // 验证图片宽高
-            list($width, $height, $type, $attr) = getimagesize($file);
-            if ($width != $aspectRatio['width'] || $height != $aspectRatio['height']) {
-                throw new \Exception('图片宽高不符合');
-            }
-        }
-        $fileType = $file->getOriginalMime();
-        list($ret, $err) = $uploadMgr->putFile($token, $fileName, $filePath, null, $fileType, false);
-
-        if ($err !== null) {
-            throw new \Exception($err);
-        } else {
-            return ['hash' => $ret['hash'], 'filename' => $ret['key'], 'remote_url' => self::$domain . $ret['key']];
-        }
-    }
-
-
-    /**
-     * 上传文件到七牛云
-     */
-    public function deleteFile($name)
-    {
-        // 构建鉴权对象
-        $auth = new Auth($this->accessKey, $this->secretKey);
-        // 初始化 BucketManager 对象并进行文件的删除。
-        $bucketManager = new BucketManager($auth);
-        $ret = $bucketManager->delete($this->bucket, $name);
-        return $ret;
-    }
-}