Merge branch 'main' into personal/heshunme/news

src/main/java/org/cmh/backend/NewsManagement/controller/NewsController.java

@@ -1,5 +1,6 @@
 package org.cmh.backend.NewsManagement.controller;
 
+import jakarta.persistence.EntityNotFoundException;
 import org.cmh.backend.NewsManagement.dto.MessageResponse;
 import org.cmh.backend.NewsManagement.dto.NewsRequest;
 import org.cmh.backend.NewsManagement.model.News;
@@ -48,10 +49,15 @@ public class NewsController {
         }
         return new ResponseEntity<>(new MessageResponse("修改成功"), HttpStatus.OK);
     }
-//
-//    @DeleteMapping("/{id}")
-//    public ResponseEntity<String> deleteNews(@PathVariable Long id) {
-//        // TODO: 实现删除资讯的逻辑
-//        return new ResponseEntity<>("删除成功", HttpStatus.OK);
-//    }
+
+    @DeleteMapping("/{id}")
+    @JwtVerify
+    public ResponseEntity<MessageResponse> deleteNews(@PathVariable Long id, @RequestParam String token) {
+        try {
+            newsService.deleteNews(id);
+        } catch (EntityNotFoundException e) {
+            return new ResponseEntity<>(new MessageResponse("删除失败，文章不存在"), HttpStatus.BAD_REQUEST);
+        }
+        return new ResponseEntity<>(new MessageResponse("删除成功"), HttpStatus.OK);
+    }
 }

src/main/java/org/cmh/backend/NewsManagement/repository/NewsRepository.java

@@ -5,21 +5,6 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public interface NewsRepository extends JpaRepository<News, Long> {
-    News findByTitle(String title);
-
-    News findBySummary(String summary);
-
-    News findByAuthor(String author);
-
-    News findByImagePath(String imagePath);
-
-    News findByContent(String content);
-
-    News findByTitleAndSummaryAndAuthorAndImagePath(String title, String summary, String author, String imagePath);
-
     Page<News> findAllByOrderByIdDesc(Pageable pageable);
 }

src/main/java/org/cmh/backend/NewsManagement/service/NewsService.java

@@ -1,5 +1,6 @@
 package org.cmh.backend.NewsManagement.service;
 
+import jakarta.persistence.EntityNotFoundException;
 import org.cmh.backend.NewsManagement.dto.NewsRequest;
 import org.cmh.backend.NewsManagement.model.News;
 import org.cmh.backend.NewsManagement.repository.NewsRepository;
@@ -46,4 +47,11 @@ public class NewsService {
             newsRepository.save(news);
         }
     }
+
+    public void deleteNews(Long id) {
+        if (!newsRepository.existsById(id)) {
+            throw new EntityNotFoundException("News with id " + id + " not found.");
+        }
+        newsRepository.deleteById(id);
+    }
 }

src/main/java/org/cmh/backend/Utils/GlobalExceptionHandler.java

@@ -2,9 +2,15 @@ package org.cmh.backend.Utils;
 
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.web.bind.MissingServletRequestParameterException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
 @ControllerAdvice
 public class GlobalExceptionHandler {
 
@@ -12,4 +18,17 @@ public class GlobalExceptionHandler {
     public ResponseEntity<Object> handleJwtInvalidException(JwtValidationException ex) {
         return new ResponseEntity<>(HttpStatus.UNAUTHORIZED);
     }
+
+    @ExceptionHandler(MissingServletRequestParameterException.class)
+    public ResponseEntity<Map<String, String>> handleMissingServletRequestParameterException(MissingServletRequestParameterException ex) {
+        HashMap<String, String> response = new HashMap<>();
+        response.put("error", ex.getMessage());
+        response.put("stackTrace", Arrays.toString(ex.getStackTrace()));
+        return new ResponseEntity<>(response, HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(HttpMessageNotReadableException.class)
+    public ResponseEntity<String> handleHttpMessageNotReadableException(HttpMessageNotReadableException ex) {
+        return new ResponseEntity<>(ex.getMessage(), HttpStatus.BAD_REQUEST);
+    }
 }

src/main/java/org/cmh/backend/Utils/JwtVerifyAspect.java

@@ -15,11 +15,19 @@ public class JwtVerifyAspect {
             if (arg instanceof JwtRequest jwtRequest) {
                 String token = jwtRequest.getToken();
                 if (!JwtUtil.isTokenValid(token)) {
-                    throw new JwtValidationException("JWT token is invalid");
+                    throw new JwtValidationException("请求未正确携带身份令牌");
+                }
+                return;  // 只接受第一个 JwtRequest 对象，收到后不再校验其他参数
+            }
+            // JWTRequest对象优先，否则再检查其他字符串参数
+            if (arg instanceof String token){
+                if (JwtUtil.isTokenValid(token)){
+                    // 验证成功就直接退出。
+                    return;
                 }
-                break;
             }
         }
+        throw new JwtValidationException("请求未正确携带身份令牌");
     }
 }