系统菜单搜索优化 后端

muyu-modules/muyu-system/src/main/java/com/muyu/system/mapper/SysMenuMapper.java

@@ -21,6 +21,16 @@ public interface SysMenuMapper extends BaseMapper<SysMenu> {
      */
     public List<SysMenu> selectMenuList (SysMenu menu);
 
+    /**
+     * 根据系统菜单ID列表返回对应的菜单项
+     */
+    public List<SysMenu> selectSysMenuList (@Param("longs") List<Long> longs);
+
+    /**
+     * 查询子菜单，根据父菜单ID列表返回对应的子菜单项
+     */
+    public List<SysMenu> selectSysChdMenuList (@Param("longs") List<Long> longs);
+
     /**
      * 根据用户所有权限
      *

muyu-modules/muyu-system/src/main/java/com/muyu/system/service/impl/SysMenuServiceImpl.java

@@ -51,6 +51,44 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
         return selectMenuList(new SysMenu(), userId);
     }
 
+    public List<SysMenu> selectSysMenuList(List<SysMenu> menuList){
+        List<Long> longs = menuList.stream()
+                .map(menu -> menu.getParentId())
+                .filter(parentId -> parentId != 0)
+                .distinct()
+                .toList();
+        if (longs.size()==0){
+            return null;
+        }
+        List<SysMenu> sysMenus = menuMapper.selectSysMenuList(longs);
+        List<SysMenu> sysMenus1 = selectSysMenuList(sysMenus);
+        if (sysMenus1 != null){
+            sysMenus.addAll(sysMenus1);
+        }
+        return sysMenus;
+    }
+
+    public List<SysMenu> selectSysChdMenuList(List<SysMenu> menuList){
+        //从输入的menuList中提取出每个菜单的ID，放入一个long类型的列表中
+        List<Long> longs = menuList.stream()
+                .map(menu -> menu.getMenuId())
+                .toList();
+        //根据提出的菜单ID列表来查询对应的子菜单，将查询结果放入sysMenus列表中
+        List<SysMenu> sysMenus = menuMapper.selectSysChdMenuList(longs);
+        //检查sysMenus是否为空，不为空将其添加到sysMenus列表中
+        if (sysMenus!=null && sysMenus.size()!=0){
+            List<SysMenu> sysMenus1 = selectSysMenuList(sysMenus);
+            if (sysMenus1 != null){
+                sysMenus.addAll(sysMenus1);
+            }
+        }else{
+            //sysMenus为空  直接返回null
+            return null;
+        }
+        //展示sysMenus列表
+        return sysMenus;
+    }
+
     /**
      * 查询系统菜单列表
      *
@@ -64,10 +102,22 @@ public class SysMenuServiceImpl extends ServiceImpl<SysMenuMapper, SysMenu> impl
         // 管理员显示所有菜单信息
         if (SysUser.isAdmin(userId)) {
             menuList = menuMapper.selectMenuList(menu);
+            List<SysMenu> sysMenus1 = selectSysMenuList(menuList);
+            if (sysMenus1!=null && sysMenus1.size()!=0){
+                menuList.addAll(sysMenus1);
+            }
+            List<SysMenu> sysMenus = selectSysChdMenuList(menuMapper.selectMenuList(menu));
+            if (sysMenus!=null && sysMenus.size()!=0){
+                menuList.addAll(sysMenus);
+            }
+
         } else {
             menu.getParams().put("userId", userId);
             menuList = menuMapper.selectMenuListByUserId(menu);
         }
+        menuList = menuList.stream()
+                .distinct()
+                .toList();
         return menuList;
     }
 

muyu-modules/muyu-system/src/main/resources/mapper/system/SysMenuMapper.xml

@@ -186,6 +186,30 @@
         where menu_name=#{menuName} and parent_id = #{parentId} limit 1
     </select>
 
+    <select id="selectSysMenuList" resultType="com.muyu.system.domain.SysMenu">
+        <include refid="selectMenuVo"/>
+            <where>
+                menu_id in (
+                    <foreach collection="longs" separator="," item="id">
+                        #{id}
+                    </foreach>
+                )
+            </where>
+            order by parent_id,order_num
+    </select>
+
+    <select id="selectSysChdMenuList" resultType="com.muyu.system.domain.SysMenu">
+        <include refid="selectMenuVo"/>
+        <where>
+            parent_id in (
+                <foreach collection="longs" separator="," item="id">
+                    #{id}
+                </foreach>
+            )
+        </where>
+        order by parent_id,order_num
+    </select>
+
     <update id="updateMenu" parameterType="com.muyu.system.domain.SysMenu">
         update sys_menu
         <set>