添加关系表业务

Yi.Framework.Net6/Yi.Framework.Service/MenuService.cs

@@ -0,0 +1,19 @@
+using SqlSugar;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Yi.Framework.Interface;
+using Yi.Framework.Model.Models;
+using Yi.Framework.Repository;
+
+namespace Yi.Framework.Service
+{
+    public partial class MenuService : BaseService<MenuEntity>, IMenuService
+    {
+        public async Task<List<MenuEntity>> GetMenuTreeAsync()
+        {
+            //ParentId 0,代表为根目录，只能存在一个
+            //复杂查询直接使用db代理
+            return await _repository._Db.Queryable<MenuEntity>().ToTreeAsync(it=>it.Childs,it=>it.ParentId,0);
+        }
+    }
+}