Jackson Databind

 

https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind/2.14.2

<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.14.2</version>
</dependency>

 

Controller의 메서드 리턴 타입을 객체 타입으로. JSON

	@GetMapping("/ex06")
	public @ResponseBody SampleDTO ex06() {
		log.info("/ex06.........................");
		SampleDTO dto = new SampleDTO(); 
		dto.setAge(10);
		dto.setName("홍길동");
		return dto;
	}

 

ResponseEntity

	@GetMapping("/ex07")
	public ResponseEntity<String> ex07(){
		log.info("/ex07............");
		String msg = "{\"name\": \"홍길동\"}";
		HttpHeaders headers = new HttpHeaders();
		headers.add("Content-Type", "application/json;charset=UTF-8");
		
		return new ResponseEntity<>(msg,headers,HttpStatus.OK);
	}