feat(user): 新增VIP字段及完善MyBatis-Plus映射

src/main/java/com/yolo/keyborad/controller/UserController.java

@@ -22,6 +22,8 @@ import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.text.SimpleDateFormat;
+
 /**
  * 用户前端控制器
  *
@@ -76,7 +78,17 @@ public class UserController {
     public BaseResponse<KeyboardUserInfoRespVO> detail() {
         long loginId = StpUtil.getLoginIdAsLong();
         KeyboardUser keyboardUser = userService.getById(loginId);
-        return ResultUtils.success(BeanUtil.copyProperties(keyboardUser, KeyboardUserInfoRespVO.class));
+        KeyboardUserInfoRespVO respVO = BeanUtil.copyProperties(keyboardUser, KeyboardUserInfoRespVO.class);
+
+        // 格式化VIP到期时间
+        if (keyboardUser.getVipExpiry() != null) {
+            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+            respVO.setVipExpiry(sdf.format(keyboardUser.getVipExpiry()));
+        } else {
+            respVO.setVipExpiry(null);
+        }
+
+        return ResultUtils.success(respVO);
     }
 
     @PostMapping("/register")