package com.myapp; import javax.servlet.http.HttpServletRequest; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController @RequestMapping("/api") public class TestController { @PostMapping("/ip") public ResponseEntity<String> ip (HttpServletRequest request) { // 요청을 보낸 클라이언트의 IP주소를 반환합니다. return ResponseEntity.ok(request.getRemoteAddr()); } }