Spring boot 여러 이미지파일 리턴
조회수 857회
Spring boot gradle기반 사용하고있습니다.
궁금한게 있는데 데이터베이스에서 이미지파일이 들어있는 경로를 가지고온다음에 해당 이미지 파일을 byte로바꿔서 리턴해주는데 주로 어떤식으로 하는지 알 수 있을까요?? 제가 해본 방식은 이런식으로 byte값으로 리턴합니다.
@RequestMapping(value="경로",method= RequestedMethod.GET)
public JSONObject selectImage() throws Exception{
JSONObject obj=new JSONObject();
byte[] files=FileUtils.readFileToByteArray(new File("파일이 들어있는 경로"));
obj.put("response",files);
return obj
}
이런식으로 리턴하나요?? PostMan으로 GET해봤는데 엄청 길더라고요
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1 답변
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혹시 지금 올리신 코드가 제대로 작동하는 코드인가요? 바이너리 데이터를 텍스트로 전송하는게 되어버려서 작동하지 않을것으로 보이네요.
바이너리 데이터를 전송하려면 텍스트로 응답하는게 아니라 파일 스트림을 사용한다던지의 방법이 있습니다. 그리고 클라이언트가 이 전송은 바이너리 데이터라는 것을 알 수 있게 응답 헤더도 적절히 설정해야 하죠.
java spring file download 혹은 java file download로 검색하면 나오는게 엄~청 많습니다.
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