|  |  | 
 |  |  | import io.swagger.annotations.Api; | 
 |  |  | import org.apache.tomcat.util.http.fileupload.FileUtils; | 
 |  |  | import org.springframework.beans.factory.annotation.Autowired; | 
 |  |  | import org.springframework.http.ResponseEntity; | 
 |  |  | import org.springframework.web.bind.annotation.*; | 
 |  |  | import org.springframework.web.multipart.MultipartFile; | 
 |  |  |  | 
 |  |  | 
 |  |  |  | 
 |  |  |     @PostMapping("/upload_chunk/") | 
 |  |  |     public Result<Boolean> uploadFile(@RequestParam("file") MultipartFile file, | 
 |  |  |                              @RequestParam("uid") String uid, | 
 |  |  |                              @RequestParam("chunk") int chunk, | 
 |  |  |                              @RequestParam("filter_type") String filterType, | 
 |  |  |                              @RequestParam("fileName") String fileName, | 
 |  |  |                              @RequestParam(value = "chunks", required = false) String chunks) { | 
 |  |  |                                       @RequestParam("uid") String uid, | 
 |  |  |                                       @RequestParam("chunk") int chunk, | 
 |  |  |                                       @RequestParam("filter_type") String filterType, | 
 |  |  |                                       @RequestParam("fileName") String fileName, | 
 |  |  |                                       @RequestParam(value = "chunks", required = false) String chunks) { | 
 |  |  |         try { | 
 |  |  |             String tempUploadDir = storageService.getConfig().getLocalPath() + File.separator + "TEMP_UPLOAD"; | 
 |  |  |             File dir = new File(tempUploadDir); |