@PostMapping POST 통신을 할때는 @RequestMapping(method=RequestMethod.POST, ...) 를 이용하거나 @PostMapping을 이용한다. @RestController @RequestMapping("api") public class PostController { @RequestMapping(method = RequestMethod.POST, path = "/postMethod") public String postMethod() { return "Hello Spring"; } @PostMapping("/postMethod2") public String postMethod2() { return "Hello Spring"; } } @RequestBody 만약, 함께 ..