feat(user): 添加用户修改密码功能

- 在前端 HomePage 组件中添加修改密码对话框
- 在 API 中添加 updatePassword 接口
- 在后端 UserController 中添加密码更新接口
- 在 UserService 中添加 updatePassword 方法
- 实现密码更新逻辑，包括旧密码验证和新密码加密

biji-houdaun/src/main/java/com/test/bijihoudaun/bo/UpdatePasswordBo.java

@@ -0,0 +1,19 @@
+package com.test.bijihoudaun.bo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@Schema(description = "更新密码业务对象")
+public class UpdatePasswordBo implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Schema(description = "旧密码", name = "oldPassword", requiredMode = Schema.RequiredMode.REQUIRED)
+    private String oldPassword;
+
+    @Schema(description = "新密码", name = "newPassword", requiredMode = Schema.RequiredMode.REQUIRED)
+    private String newPassword;
+}

biji-houdaun/src/main/java/com/test/bijihoudaun/common/exception/BusinessException.java

@@ -0,0 +1,12 @@
+package com.test.bijihoudaun.common.exception;
+
+public class BusinessException extends RuntimeException {
+
+    public BusinessException(String message) {
+        super(message);
+    }
+
+    public BusinessException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

biji-houdaun/src/main/java/com/test/bijihoudaun/controller/UserController.java

@@ -1,5 +1,6 @@
 package com.test.bijihoudaun.controller;
 
+import com.test.bijihoudaun.bo.UpdatePasswordBo;
 import com.test.bijihoudaun.common.response.R;
 import com.test.bijihoudaun.entity.User;
 import com.test.bijihoudaun.service.RegistrationCodeService;
@@ -10,11 +11,9 @@ import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.Parameters;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.DeleteMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -79,4 +78,13 @@ public class UserController {
         return R.success("Token is valid");
     }
 
+    @Operation(summary = "更新用户密码")
+    @PutMapping("/password")
+    public R<String> updatePassword(@RequestBody UpdatePasswordBo updatePasswordBo) {
+        UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
+        String username = userDetails.getUsername();
+        User user = userService.getOne(new com.baomidou.mybatisplus.core.conditions.query.QueryWrapper<User>().eq("username", username));
+        userService.updatePassword(user.getId(), updatePasswordBo);
+        return R.success("密码更新成功");
+    }
 }

biji-houdaun/src/main/java/com/test/bijihoudaun/service/UserService.java

@@ -3,6 +3,8 @@ package com.test.bijihoudaun.service;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.test.bijihoudaun.entity.User;
 
+import com.test.bijihoudaun.bo.UpdatePasswordBo;
+
 public interface UserService extends IService<User> {
     /**
      * 用户注册
@@ -33,4 +35,11 @@ public interface UserService extends IService<User> {
      * @return Boolean
      */
     Boolean isTokenExpired(Long id,String token);
+
+    /**
+     * 更新用户密码
+     * @param userId 用户ID
+     * @param updatePasswordBo 包含新旧密码的对象
+     */
+    void updatePassword(Long userId, UpdatePasswordBo updatePasswordBo);
 }

biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/UserServiceImpl.java

@@ -3,6 +3,8 @@ package com.test.bijihoudaun.service.impl;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.test.bijihoudaun.bo.UpdatePasswordBo;
+import com.test.bijihoudaun.common.exception.BusinessException;
 import com.test.bijihoudaun.common.exception.RegistrationException;
 import com.test.bijihoudaun.entity.User;
 import com.test.bijihoudaun.mapper.UserMapper;
@@ -83,4 +85,18 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
         // 修改过期检查逻辑
         return user != null && new Date().before(user.getTokenEnddata());
     }
+
+    @Override
+    public void updatePassword(Long userId, UpdatePasswordBo updatePasswordBo) {
+        User user = getById(userId);
+        if (user == null) {
+            throw new BusinessException("用户不存在");
+        }
+        if (!PasswordUtils.verify(updatePasswordBo.getOldPassword(), user.getPassword())) {
+            throw new BusinessException("旧密码不正确");
+        }
+        String newPassword = PasswordUtils.encrypt(updatePasswordBo.getNewPassword());
+        user.setPassword(newPassword);
+        updateById(user);
+    }
 }