微调了俩fileController避免冲突

src/main/java/org/cmh/backend/CourseManagement/controller/CourseFileController.java

@@ -17,7 +17,7 @@ import java.nio.file.Paths;
 
 @RestController
 @RequestMapping("/courses")
-public class FileController {
+public class CourseFileController {
     private static final String UPLOAD_DIR = "uploads/";
 
     @PostMapping("/upload")

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

@@ -15,12 +15,12 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 
 @RestController
-@CrossOrigin // 如果前端和后端不在同一个域名或端口下，需要启用跨域
-public class FileController {
+@RequestMapping("/news")
+public class NewsFileController {
 
     private static final String UPLOAD_DIR = "uploads/";
 
-    @PostMapping("/news/uploadPic")
+    @PostMapping("/uploadPic")
     public ResponseEntity<UploadFileResponse> uploadFile(@RequestParam("file") MultipartFile file) {
         if (file.isEmpty()) {
             return new ResponseEntity<>(new UploadFileResponse("文件不能为空", null), HttpStatus.BAD_REQUEST);
@@ -45,7 +45,7 @@ public class FileController {
         }
     }
 
-    @GetMapping("/news/files/{filename}")
+    @GetMapping("/files/{filename}")
     public ResponseEntity<Resource> getFile(@PathVariable String filename) {
         try {
             Path filePath = Paths.get(UPLOAD_DIR).resolve(filename).normalize();