blog_tp6/app/sys/controller/FileManager.php

<?php

declare(strict_types=1);

/**
 * upload文件管理
 *
 * @version      0.0.0
 * @author      by huwhois
 * @time        2017/11/27
 */

namespace app\sys\controller;

use Exception;
use UnexpectedValueException;
use DirectoryIterator;
use think\facade\View;
use think\File;
use think\Image;
use think\facade\Config;
use think\exception\ValidateException;

use app\common\service\FileService;
use app\common\model\FileManager as FileManagerModel;
use think\file\UploadedFile;

class FileManager extends Base
{
    protected $modelName = 'FileManager';
    protected $t_suffix = '_thumb';
    protected $width = 400;  // 缩略图高度
    protected $height = 300;
    protected $storage_path = 'public/storage';

    public function index()
    {
        $param = $this->request->param();

        $param['limit'] = isset($param['limit']) ? (int) $param['limit'] : Config::get('app.page_size');

        $list = FileManagerModel::queryPage($param);

        View::assign('list', $list);

        return View::fetch();
    }

    /**
     * 浏览文件
     */
    public function explorer()
    {
        $param = $this->request->param();

        $activepath =  isset($param['activepath']) ? $param['activepath'] : '';

        $realpath = $this->app->getRootPath() . $this->storage_path . $activepath;

        try {
            $dirhandle = new DirectoryIterator($realpath);

            $dirs = $files = [];

            foreach ($dirhandle as $fileInfo) {
                if($fileInfo->isDot() || $fileInfo->getFilename() == '.gitignore') {
                    continue;
                } elseif ($fileInfo->isDir()) {
                    $dirs[] = $fileInfo->getFilename();
                } elseif ($fileInfo->isFile()) {
                    $files[] = [
                        'filename'  => $fileInfo->getFilename(),
                        'extension' => strtolower($fileInfo->getExtension()),
                        'size' => format_bytes($fileInfo->getSize()),
                        'time' => $fileInfo->getCTime(),
                    ];
                }
            }
            
            $counts = count($dirs) + count($files);

            $activeurl = preg_replace("#[\/][^\/]*$#i", "", $activepath);

            View::assign([
                'dirs'      => $dirs,
                'files'     => $files,
                'counts'    => $counts,
                'activeurl' => $activeurl,
                'activepath' => $activepath,
            ]);

            return View::fetch();
        } catch(UnexpectedValueException $uve) {
            $this->error($uve->getMessage());
        }
    }

    /**
     * 附件上传
     */
    public function uploadFile()
    {
        $activepath = $this->request->has('activepath') ? $this->request->param('activepath') : '';

        $files = $this->request->file('upload_file');

        if ($files) {
            try {
                validate(
                    [
                        'file' => [
                            // 限制文件大小(单位b)，这里限制为10M
                            'fileSize' => 10 * 1024 * 1024,
                            // 限制文件后缀，多个后缀以英文逗号分割
                            'fileExt'  => 'jpg,png,gif,jpeg,webp,jfif,pdf,doc,docx,xls,xlsx,ppt,pptx,txt'
                        ]
                    ],
                    [
                        'file.fileSize' => '文件太大',
                        'file.fileExt' => '不支持的文件后缀',
                    ]
                )->check(['file' => $files]);

                $savenames = [];

                $uploadFiles = [];
                
                if (!is_array($files) && $files instanceof UploadedFile) {
                    $uploadFiles[] = $files;
                } else {
                    $uploadFiles = $files;
                }

                $url = Config::get('filesystem.disks.public.url');

                foreach ($uploadFiles as $file) {
                    $fileinfo = new FileManagerModel();
                    
                    $fileinfo->title         = $file->getOriginalName();
                    $fileinfo->filesize      = $file->getSize();
                    $fileinfo->filetime      = $file->getCTime();
                    $fileinfo->fileextension = $file->extension();
                    $fileinfo->username      = $this->getSysUser()->username;
                    $fileinfo->hash_md5      = $file->md5();

                    if (empty($activepath)) {
                        $savename = \think\facade\Filesystem::disk('public')->putFile('/', $file);                
                        
                        $fileinfo->filepath = $url . '/' . $savename;
                        $fileinfo->filename = basename($savename);  
                    } else {
                        $savename = $activepath . '/' . $file->hashName();
                        $savepath = $this->app->getRootPath() . $this->storage_path . $savename;
                        
                        $file = $file->move($this->app->getRootPath() . $this->storage_path . $activepath, $savepath);

                        $fileinfo->filepath = $url . $savename;
                        $fileinfo->filename = $file->hashName();
                    }

                    $fileinfo->save();

                    $savenames[] = $fileinfo->filepath;
                }

                return json(['code' => 0, 'msg'=>'上传成功', 'filename'=>$savenames]);
            } catch (ValidateException $e) {
                $this->error($e->getMessage());
            }
        } else {
            $this->error('图片不能为空');
        }
    }

    /**
     * 修改文件title
     */
    public function updateFileTitle($id = 0, $filetitle = '')
    {
        $fileInfo = FileManagerModel::find($id);
        if ($fileInfo == null) {
            return json(['code'=>1, 'fileid='.$id.'不存在']);
        }

        $fileInfo->title = $filetitle;

        if ($fileInfo->save()) {
            return json(['code'=>0, 'msg'=>'success']);
        } else {
            return json(['code'=>1, 'msg'=>'failed']);
        }
    }

    /**
     * 删除
     * @param int|array $id  info id
     * @return array
     */
    public function delete($id)
    {
        if ($this->request->isPost()) {
            $whereOp = '=';

            if (is_array($id)) {
                $whereOp = 'IN';
            }

            $list = FileManagerModel::where('fileid', $whereOp, $id)->select();

            foreach ($list as $value) {
                $file = $this->app->getRootPath() . 'public' . $value->filepath;
                if (file_exists($file)) {
                    unlink($file);
                }
            }
  
            if (FileManagerModel::destroy($id)) {
                return ['code' => 0,'msg'=>'删除成功'];
            } else {
                return ['code' => 1,'msg'=>'删除失败'];
            }
        }
    }

    /**
     * 删除空目录
     */
    public function deldir()
    {
        if ($this->request->isPost()) {
            $dir = str_replace('/', DIRECTORY_SEPARATOR, $this->request->param('dir'));

            $dir_name = $this->app->getRootPath() . $this->storage_path . DIRECTORY_SEPARATOR . $dir;

            try {
                rmdir($dir_name);
                return ['code' => 0, 'msg' => 'success'];
            } catch (Exception $e) {
                return ['code' => 1, 'msg' => 'failed, 目录不为空'];
            }
        }
    }

    /**
     * 删除文件
     */
    public function delfile()
    {
        if ($this->request->isPost()) {
            $filename = str_replace('/', DIRECTORY_SEPARATOR, $this->request->param('filename'));

            $filepath = $this->app->getRootPath() . $this->storage_path . DIRECTORY_SEPARATOR . $filename;

            if (unlink($filepath)) {
                return ['code' => 0, 'msg' => 'success'];
            } else {
                return ['code' => 1, 'msg' => 'failed'];
            }
        }
    }

    /**
     * 处理上传的图片
     */
    protected function dealUploadImg(File $file, $water, $thumb, $width, $height, $overwrite)
    {
        $savename = "";
        $thumbname = "";

        if ($water == true || $thumb == true) {
            $image = Image::open($file);

            if ($water) {
                $type = $this->system->water_type ?: Config::get('filesystem.water.type');

                if ($type == 'water') {
                    $watemark = $this->system->watermark ?: Config::get('filesystem.water.watermark');
                    $image->water($watemark);
                } else {
                    $watetext = $this->system->watertext ?: Config::get('filesystem.water.watertext');
                    $image->text($watetext, Config::get('filesystem.water.waterfont'), 30, '#ffffff30');
                }
            }

            $savename = $file->hashName();
            $realPath = Config::get('filesystem.disks.public.root') . '/' . $savename;

            if ($thumb == true) {
                if ($overwrite == true) {
                    $image->thumb($width, $height, 1);

                    $image->save($realPath);
                } else {
                    $image->save($realPath);

                    $image->thumb($width, $height, 1);

                    $ext = $file->extension();

                    $thumbname = str_replace('.' . $ext, '', str_replace('\\', '/', $savename)) . $this->t_suffix . '.' . $ext;

                    $image->save(Config::get('filesystem.disks.public.root') . '/' . $thumbname);
                }
            } else {
                $image->save($realPath);
            }
            unset($image);
        } else {
            $savename = \think\facade\Filesystem::disk('public')->putFile('/', $file);
        }

        return [
            'picname'   => str_replace('\\', '/', $savename),
            'thumbname' => $thumbname
        ];
    }

    /**
     * 图片上传(iframe 页面)
     */
    public function uploadimg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        View::assign([
            'img_id' => $img_id,
            'water'  => $water,
            'thumb'  => $thumb,
            'width'  => $width,
            'height' => $height,
            'overwrite' => $overwrite
        ]);

        return View::fetch();
    }

    /**
     * 本地图片上传
     * @file upload_file   上传的文件
     * @param string  $img_id   图片ipnut text id 默认值 picture
     * @param boolean $water    是否添加水印
     * @param boolean $thumb    是否制作缩略图
     * @param int $width        缩略图最大宽
     * @param int $height       缩略图最大高
     * @param bool $overwrite   生成缩略图后是否保存原图
     */
    public function uploadLocalImg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        if ($this->request->isPost()) {
            $file = $this->request->file('upload_file');
            if ($file) {
                try {
                    validate(
                        [
                            'file' => [
                                // 限制文件大小(单位b)，这里限制为4M
                                'fileSize' => 4 * 1024 * 1024,
                                // 限制文件后缀，多个后缀以英文逗号分割
                                'fileExt'  => 'jpg,png,gif,jpeg,webp,jfif'
                            ]
                        ],
                        [
                            'file.fileSize' => '文件太大',
                            'file.fileExt' => '不支持的文件后缀',
                        ]
                    )->check(['file' => $file]);
                
                    $arr = $this->dealUploadImg($file, $water, $thumb, $width, $height, $overwrite);

                    return array_merge(
                        [
                            'code' => 0,
                            'img_id' => $img_id,
                            'picture_url' => Config::get('filesystem.disks.public.url') . '/'
                        ],
                        $arr
                    );

                } catch (ValidateException $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error('图片不能为空');
            }
        }
    }

    /**
     * 网络图片上传
     * @paran string url_file   网络图片地址
     * @param string  $img_id   图片ipnut text id 默认值 picture
     * @param boolean $water    是否添加水印
     * @param boolean $thumb    是否制作缩略图
     * @param int $width        缩略图最大宽
     * @param int $height       缩略图最大高
     * @param bool $overwrite   生成缩略图后是否保存原图
     */
    public function uploadUrlImg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        if ($this->request->isPost()) {
            $urlImg = $this->request->param('url_file');

            if ($urlImg) {
                try {
                    $fileService = new FileService();

                    $file = $fileService->downloadUrlImg($urlImg);

                    $arr = $this->dealUploadImg($file, $water, $thumb, $width, $height, $overwrite);

                    @unlink($file->realPath);

                    return array_merge(
                        [
                            'code' => 0,
                            'img_id' => $img_id,
                            'picture_url' => Config::get('filesystem.disks.public.url') . '/'
                        ],
                        $arr
                    );
                } catch (\think\exception\ValidateException $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error('图片地址不能为空');
            }
        }
    }

    /**
     * 选择服务器图片
     * @paran string online_file  服务器图片地址
     * @param string  $img_id   图片ipnut text id 默认值 picture
     * @param boolean $water    是否添加水印
     * @param boolean $thumb    是否制作缩略图
     * @param int $width        缩略图最大宽
     * @param int $height       缩略图最大高
     * @param bool $overwrite   生成缩略图后是否保存原图
     */
    public function uploadonlineimg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        if ($this->request->isPost()) {
            $pathImg = $this->request->param('online_file');

            if ($pathImg && file_exists($this->app->getRootPath() . "public" . $pathImg)) {

                $picname = $pathImg;
                $thumbname = "";

                if ($thumb) {
                    if (stripos($picname, $this->t_suffix)) {
                        $thumbname = $pathImg;
                    } else {
                        try {
                            $file = new File($this->app->getRootPath() . "public"  . $pathImg);

                            $ext = $file->getExtension();

                            $thumbname = str_replace('.' . $ext, '', str_replace('\\', '/', $picname)) . $this->t_suffix . '.' . $ext;

                            if (!file_exists($thumbname)) {
                                $image = Image::open($file);

                                $image->thumb($width, $height, 1);

                                $image->save($this->app->getRootPath() . "public"  .  $thumbname);
                                unset($image);
                            }

                            if ($overwrite) {
                                $picname = $thumbname;
                            }
                        } catch (Exception $e) {
                            $this->error($e->getMessage());
                        }
                    }
                }

                return [
                    'code' => 0,
                    'img_id' => $img_id,
                    'picname' => $picname,
                    'thumbname' => $thumbname,
                ];
            } else {
                $this->error('图片地址不存在');
            }
        }
    }

    public function onlineimg($page)
    {
        $files =  FileService::getFiles(Config::get('filesystem.disks.public.root'));

        if (!count($files)) {
            return json_encode(array(
                "state" => "no match file",
                "list" => array(),
                "start" => $page,
                "total" => count($files)
            ));
        }
        /* 获取指定范围的列表 */
        $page = $page - 1 < 0 ? 0 : (int)$page - 1;
        $size = 20;
        $start = $page * $size;
        $end = $start + $size;

        $len = count($files);

        for ($i = min($end, $len) - 1, $list = array(); $i < $len && $i >= 0 && $i >= $start; $i--) {
            $list[] = $files[$i];
        }

        return json([
            "code" => 0,
            "list" => $list,
            "page" => $page + 1,
            "total" => count($files)
        ]);
    }

    /**
     * 判断(远程)文件是否为图片
     */
    // public function isImg()
    // {
    //     if ($this->request->isAjax()) {
    //         $filename = $this->request->param('filename');

    //         $res = \mylib\GetImageByurl::isImg($filename);
    //         if (!$res) {
    //             $this->error('该图片不合法');
    //         } else {
    //             return ['code'=>2,'msg'=>'图片地址可用'];
    //         }
    //     }
    // }

    /**
     * ckeditor 富文本编辑器上传图片
     */
    public function ckeditorUploadImage()
    {
        if ($this->request->isPost()) {
            $file = $this->request->file('upload');
            if ($file) {
                try {
                    validate(
                        [
                            'file' => [
                                // 限制文件大小(单位b)，这里限制为4M
                                'fileSize' => 4 * 1024 * 1024,
                                // 限制文件后缀，多个后缀以英文逗号分割
                                'fileExt'  => 'jpg,png,gif,jpeg,webp,jfif'
                            ]
                        ],
                        [
                            'file.fileSize' => '文件太大',
                            'file.fileExt' => '不支持的文件后缀',
                        ]
                    )->check(['file' => $file]);

                    $savename = \think\facade\Filesystem::disk('public')->putFile('/', $file);

                    return json([
                        'uploaded' => 1,
                        'fileName' => basename($savename),
                        'url' => Config::get('filesystem.disks.public.url') . '/' . $savename
                    ]);
                } catch (\think\exception\ValidateException $e) {
                    $this->error($e->getMessage());
                    return json([
                        'uploaded' => 1,
                        'error' =>  ['message' => $e->getMessage()]
                    ]);
                }
            } else {
                return json([
                    'uploaded' => 1,
                    'error' =>  ['message' => '图片不能为空']
                ]);
            }
        }
    }
}