完成/changePassword，测试通过

src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java

@@ -1,9 +1,6 @@
 package org.cmh.backend.authentication.controller;
 
 
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.Setter;
 import org.cmh.backend.Utils.JwtUtil;
 import org.cmh.backend.authentication.dto.*;
 import org.cmh.backend.authentication.model.UserHS;
@@ -13,8 +10,6 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
-import java.time.LocalDateTime;
-
 @RestController
 class AuthenticationController {
 
@@ -86,5 +81,15 @@ class AuthenticationController {
         return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
     }
 
+    @PostMapping("/changePassword")
+    public ResponseEntity<Object> changePassword(@RequestBody ChangePasswordRequest changePasswordRequest) {
+        if (JwtUtil.isTokenValid(changePasswordRequest.getToken())) {
+            if (userService.changePassword(JwtUtil.extractUsername(changePasswordRequest.getToken()), changePasswordRequest)) {
+                return new ResponseEntity<>(HttpStatus.OK);
+            }
+        }
+        return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+    }
+
 
 }

src/main/java/org/cmh/backend/authentication/dto/ChangePasswordRequest.java

@@ -0,0 +1,11 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class ChangePasswordRequest extends JwtRequest{
+    private String currentPassword;
+    private String newPassword;
+}

src/main/java/org/cmh/backend/authentication/service/UserService.java

@@ -1,5 +1,6 @@
 package org.cmh.backend.authentication.service;
 
+import org.cmh.backend.authentication.dto.ChangePasswordRequest;
 import org.cmh.backend.authentication.dto.ManageUserProfileRequest;
 import org.cmh.backend.authentication.model.UserHS;
 import org.cmh.backend.authentication.repository.UserRepository;
@@ -67,17 +68,35 @@ public class UserService {
             user.setEmail(request.getEmail());
             user.setDepartment(request.getDepartment());
             user.setRole(request.getRole());
-            try{
+            try {
                 userRepository.save(user);
-            }
+            } catch (Exception e) {
-            catch (Exception e) {
                 return false;
             }
             return true;
         } else {
             return false;
         }
-}
+    }
+
+    public boolean changePassword(String username, ChangePasswordRequest request) {
+        UserHS user = userRepository.findByUsername(username);
+        if (user != null) {
+            if (passwordEncoder.matches(request.getCurrentPassword(), user.getPassword())) {
+                if (isValidPassword(request.getNewPassword())) {
+                    String encodedPassword = passwordEncoder.encode(request.getNewPassword());
+                    user.setPassword(encodedPassword);
+                    try {
+                        userRepository.save(user);
+                    } catch (Exception e) {
+                        return false;
+                    }
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
 
 
     // 验证用户名格式