이미지 보기 API

ImageMapper.interface

   @Select({"<script>",
            "SELECT * from image",
            "where id = #{id}",
            "</script>"})
    ImageVO findOneImage(int id);

ImageController.java

@GetMapping("/view/{id}")
    public ResponseEntity<byte[]> findOne(@PathVariable int id) {
        ImageVO imageVO = imageMapper.findOneImage(id);

        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-Type", imageVO.getMimetype());
        headers.add("Content-Length", String.valueOf(imageVO.getData().length));

        return new ResponseEntity<byte[]>(imageVO.getData(), headers, HttpStatus.OK);
    }

 

POSTMAN TEST