PHP File::findOrFail方法代碼示例

 public function destroy($id)
 {
     $file = File::findOrFail($id);
     $file->delete($id);
     Session::flash('message', 'Fue eliminado de nuestros registros.');
     return redirect()->route('expedientes.index');
 }

 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $file = File::findOrFail($id);
     $this->authorize('delete', $file);
     Storage::delete($file->local_name);
     $file->delete();
     return redirect('/files');
 }

 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     //
     $file = File::findOrFail($id);
     unlink($_SERVER['DOCUMENT_ROOT'] . $file->url);
     $file->delete();
     return 1;
 }

 /**
  * Download a single file by id.
  *
  * @param string|int $id
  * @return \Symfony\Component\HttpFoundation\BinaryFileResponse
  */
 public function downloadFile($id)
 {
     $file = File::findOrFail($id);
     if (($filesystem = Config::get('filesystems.default')) === 'local') {
         return response()->download($file->getAbsolutePath(), $file->name . '.' . $file->extension, ['Content-Type' => $file->mime]);
     } else {
         $fs = Storage::getDriver();
         if ($filesystem === 'rackspace') {
             $stream = fopen($fs->getAdapter()->getContainer()->getCdn()->getCdnUri() . '/' . $file->getRelativePath(), 'rb');
         } else {
             $stream = $fs->readStream($file->getRelativePath());
         }
         return Response::stream(function () use($stream) {
             fpassthru($stream);
         }, 200, ["Content-Type" => $fs->getMimetype($file->getRelativePath()), "Content-Length" => $fs->getSize($file->getRelativePath()), "Content-disposition" => "attachment; filename=\"" . $file->name . '.' . $file->extension . "\""]);
     }
 }

 public function findOrFail($id)
 {
     return File::findOrFail($id);
 }

 /**
  * Update the specified resource in storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function update($id, Request $request)
 {
     //$this->validate($request, ['name' => 'required']); // Uncomment and modify if you need to validate any input.
     $file = File::findOrFail($id);
     $file->update($request->all());
     return redirect('file');
 }

 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $data = File::findOrFail($id);
     $data->delete();
     return redirect('file')->with('status', 'Delete Complete');
 }

 public function deleteSingleImage(Request $request)
 {
     $imageId = $request->input('id');
     try {
         DB::beginTransaction();
         // delete the file from the files table
         $file = File::findOrFail($imageId);
         $file->delete();
         // remove the entry from the gallery image pivot table
         DB::table('gallery_images')->where('file_id', $file->id)->delete();
         // delete the actual image from S3
         $fileName = str_replace(env('S3_URL'), '', $file->file_path);
         $fileName = explode('/', $fileName);
         $mainImage = "gallery_{$request->input('galleryId')}/main/" . $fileName[count($fileName) - 1];
         $thumbImage = "gallery_{$request->input('galleryId')}/thumb/" . $fileName[count($fileName) - 1];
         $mediummage = "gallery_{$request->input('galleryId')}/medium/" . $fileName[count($fileName) - 1];
         $s3 = Storage::disk('s3');
         $s3->delete($mainImage);
         $s3->delete($thumbImage);
         $s3->delete($mediummage);
         DB::commit();
     } catch (\PDOException $e) {
         DB::rollBack();
     }
     return response($this->show($request->input('galleryId')), 200);
 }

 public function imagesDelete(Request $request)
 {
     File::findOrFail($request->input('id'))->delete();
 }

 /**
  * @param $file_id
  * @return mixed
  */
 public function format($file_id)
 {
     return File::findOrFail($file_id)->format;
 }

 /**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id)
 {
     $file = File::findOrFail($id);
     // $old_path = public_path($file->path);
     $file->name = $request->file_name;
     $file->slug = '@' . str_slug($request->file_name);
     try {
         $file->save();
         // $new_path = public_path('documents/'.$folder->user()->first()->slug.'/'.current_folder_path(Folder::find($folder->parent_folder_id)).'/'.$folder->slug);
         // \File::move($old_path, $new_path);
     } catch (\Exception $e) {
         return response()->json(['message' => 'File was not updated', 'description' => $e->getMessage()], 403);
     }
     return response()->json(['message' => 'File updated correctly', 'description' => 'File updated correctly'], 201);
 }