springboot 파일업로드

프론트에서 MulitpartFormdata로 전송시에도 마찬가지로 추가 form data 컨트롤러 파라미터로 받을 수 있다.

@PostMapping("/add_content")
public ResponseEntity<?> addContent(Integer content_board_idx, Integer content_writer_idx, String content_subject, String content_text, MultipartFile content_image) throws IOException {

    if(content_image==null || content_image.isEmpty()){
        mainService.createContent(content_board_idx, content_writer_idx, content_subject, content_text,null);
    }
    else {
        String filename = content_image.getOriginalFilename();
        mainService.createContent(content_board_idx, content_writer_idx, content_subject, content_text,filename);
        String fullPath = uploadPath + filename;
        System.out.println("fullPath = " + fullPath);
        content_image.transferTo(new File(fullPath));
    }
    return new ResponseEntity(HttpStatus.OK);
}