From 970a13bc5b24cdbd8b583fcdce638af8f0fbba52 Mon Sep 17 00:00:00 2001
From: bunny <1319900154@qq.com>
Date: Tue, 23 Apr 2024 20:07:55 +0800
Subject: [PATCH] =?UTF-8?q?:rocket:=20=E5=88=A0=E9=99=A4=E8=8F=9C=E5=8D=95?=
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---
 .../com/atguigu/constant/MessageConstant.java |  4 +---
 .../auth/controller/SysMenuController.java    |  2 +-
 .../atguigu/auth/service/SysMenuService.java  |  7 ++++++
 .../auth/service/impl/SysMenuServiceImpl.java | 24 +++++++++++++++++++
 4 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/common/service-util/src/main/java/com/atguigu/constant/MessageConstant.java b/common/service-util/src/main/java/com/atguigu/constant/MessageConstant.java
index 67b1720..b949152 100644
--- a/common/service-util/src/main/java/com/atguigu/constant/MessageConstant.java
+++ b/common/service-util/src/main/java/com/atguigu/constant/MessageConstant.java
@@ -32,7 +32,5 @@ public class MessageConstant {
     public static final String LOGIN_DTO_IS_EMPTY = "登录参数不能为空";
     public static final String TOKEN_IS_EMPTY = "token为空";
     public static final String DATA_IS_EMPTY = "数据为空";
-    public static final String STOCK_LESS = "库存不足";
-    public static final String SKU_NUM_CANNOT_BE_LESS = "商品数量不能再少了";
-    public static final String CART_IS_EMPTY = "购物车为空";
+    public static final String DELETE_MENU_ERROR_HAS_MENUS = "有下级菜单";
 }
diff --git a/service-oa/src/main/java/com/atguigu/auth/controller/SysMenuController.java b/service-oa/src/main/java/com/atguigu/auth/controller/SysMenuController.java
index cab54fd..4c231df 100644
--- a/service-oa/src/main/java/com/atguigu/auth/controller/SysMenuController.java
+++ b/service-oa/src/main/java/com/atguigu/auth/controller/SysMenuController.java
@@ -50,7 +50,7 @@ public class SysMenuController {
     @ApiOperation(value = "删除菜单")
     @DeleteMapping("remove/{id}")
     public Result<SysMenu> remove(@PathVariable Long id) {
-        sysMenuService.removeById(id);
+        sysMenuService.removeMenuById(id);
         return Result.success();
     }
 }
diff --git a/service-oa/src/main/java/com/atguigu/auth/service/SysMenuService.java b/service-oa/src/main/java/com/atguigu/auth/service/SysMenuService.java
index b7ded3b..f3deb3d 100644
--- a/service-oa/src/main/java/com/atguigu/auth/service/SysMenuService.java
+++ b/service-oa/src/main/java/com/atguigu/auth/service/SysMenuService.java
@@ -21,4 +21,11 @@ public interface SysMenuService extends IService<SysMenu> {
      * @return 菜单列表
      */
     List<SysMenu> findNodes();
+
+    /**
+     * 删除菜单
+     *
+     * @param id 菜单id
+     */
+    void removeMenuById(Long id);
 }
diff --git a/service-oa/src/main/java/com/atguigu/auth/service/impl/SysMenuServiceImpl.java b/service-oa/src/main/java/com/atguigu/auth/service/impl/SysMenuServiceImpl.java
index 3eeacce..c394f3f 100644
--- a/service-oa/src/main/java/com/atguigu/auth/service/impl/SysMenuServiceImpl.java
+++ b/service-oa/src/main/java/com/atguigu/auth/service/impl/SysMenuServiceImpl.java
@@ -3,7 +3,10 @@ package com.atguigu.auth.service.impl;
 import com.atguigu.auth.mapper.SysMenuMapper;
 import com.atguigu.auth.service.SysMenuService;
 import com.atguigu.common.utlis.MenuHelper;
+import com.atguigu.constant.MessageConstant;
+import com.atguigu.exception.BunnyException;
 import com.atguigu.model.system.SysMenu;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.stereotype.Service;
 
@@ -29,4 +32,25 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
     public List<SysMenu> findNodes() {
         return MenuHelper.buildTree(list());
     }
+
+    /**
+     * 删除菜单
+     *
+     * @param id 菜单id
+     */
+    @Override
+    public void removeMenuById(Long id) {
+        // 判断当前菜单是否有下级菜单
+        LambdaQueryWrapper<SysMenu> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(SysMenu::getParentId, id);
+
+        // 查询菜单列表
+        List<SysMenu> sysMenuList = list(wrapper);
+
+        // 为空时可以删除
+        if (sysMenuList == null) removeById(id);
+
+        // 如果不为空抛出异常
+        throw new BunnyException(MessageConstant.DELETE_MENU_ERROR_HAS_MENUS);
+    }
 }