first

src/main/java/com/greenorange/promotion/service/user/UserService.java

@@ -10,6 +10,7 @@ import com.greenorange.promotion.model.dto.user.UserUpdateRequest;
 import com.greenorange.promotion.model.entity.User;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.greenorange.promotion.model.vo.user.UserVO;
+import jakarta.servlet.http.HttpServletRequest;
 
 import java.util.List;
 
@@ -63,6 +64,8 @@ public interface UserService extends IService<User> {
     boolean delBatchUser(CommonBatchRequest commonBatchRequest);
 
 
-
-
+    /**
+     * 校验用户是否登录
+     */
+    User getLoginUser(HttpServletRequest request);
 }

src/main/java/com/greenorange/promotion/service/user/impl/UserServiceImpl.java

@@ -15,17 +15,22 @@ import com.greenorange.promotion.model.dto.user.UserAddRequest;
 import com.greenorange.promotion.model.dto.user.UserQueryRequest;
 import com.greenorange.promotion.model.dto.user.UserUpdateRequest;
 import com.greenorange.promotion.model.entity.User;
+import com.greenorange.promotion.model.enums.UserRoleEnum;
 import com.greenorange.promotion.model.vo.user.UserVO;
 import com.greenorange.promotion.service.common.CommonService;
 import com.greenorange.promotion.service.user.UserService;
 import com.greenorange.promotion.mapper.UserMapper;
 import com.greenorange.promotion.utils.SqlUtils;
 import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpSession;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+import static com.greenorange.promotion.constant.UserConstant.USER_LOGIN_STATE;
+
 /**
 * @author 35880
 * @description 针对表【user(用户表)】的数据库操作Service实现
@@ -149,6 +154,32 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
         ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR, "用户批量删除失败");
         return true;
     }
+
+
+    /**
+     * 获取当前登录用户
+     */
+    @Override
+    public User getLoginUser(HttpServletRequest request) {
+        HttpSession session = request.getSession();
+        Object userObj = session.getAttribute(USER_LOGIN_STATE);
+        User currentUser = (User) userObj;
+        if (currentUser == null || currentUser.getId() == null) {
+            throw new BusinessException(ErrorCode.NOT_LOGIN_ERROR);
+        }
+        //根据id进行查询
+        Long userId = currentUser.getId();
+        currentUser = this.getById(userId);
+        if (currentUser == null) {
+            throw new BusinessException(ErrorCode.NOT_LOGIN_ERROR);
+        }
+        //被封号
+        if (UserRoleEnum.BAN.getValue().equals(currentUser.getUserRole())) {
+            throw new BusinessException(ErrorCode.FORBIDDEN_ERROR);
+        }
+        return currentUser;
+    }
+
 }