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/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");
+    }
 }