프론트에서 보내도록 수정해야함

prd/src/main/java/site/ocr/prd/contorllers/LoginController.java

@@ -1,18 +1,42 @@
 package site.ocr.prd.contorllers;
 
-import org.springframework.web.bind.annotation.RestController;
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.HashMap;
+import java.util.Map;
+
 import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
 
 
 @RestController
 public class LoginController {
     
     @PostMapping("login/oauth-kakao")
-    public String postMethodName(@RequestBody String entity) {
+    public Map<String, Object> kakaoLogin() {
-        //TODO: process POST request
+        HttpClient client = HttpClient.newHttpClient();
-        System.out.println(entity);
+        Map<String, Object> returnValue = new HashMap<>();
-        return entity;
+        HttpRequest request = HttpRequest.newBuilder()
+        .uri(URI.create("https://kauth.kakao.com/oauth/authorize"))
+        .GET()
+        .header("Content-Type", "application/json")
+        .build();
+        try {
+            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            System.out.println("response body :: " + response.body());
+            returnValue.put("body", response.body());
+            returnValue.put("status", response.statusCode());
+            returnValue.put("headers", response.headers());
+            
+        } catch (InterruptedException e) {
+            System.out.println(e.getMessage());
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+        return returnValue;
     }
     
 }