给DialogService从原来的接口注入，更改为RequestMessage消息通知

Data/DbContext.cs

@@ -4,21 +4,17 @@ namespace PMSWPF.Data;
 
 public class DbContext
 {
-    private static SqlSugarClient _db;
-
     public static SqlSugarClient GetInstance()
     {
-        if (_db == null)
+        var connectionString = "server=127.0.0.1;port=3306;user=root;password=Pgw15221236646; database=pmswpf;";
+        var _db = new SqlSugarClient(new ConnectionConfig
         {
-            var connectionString = "server=127.0.0.1;port=3306;user=root;password=Pgw15221236646; database=pmswpf;";
-            _db = new SqlSugarClient(new ConnectionConfig
-            {
-                ConnectionString = connectionString,
-                DbType = DbType.MySql, // 根据实际数据库类型修改，如DbType.MySql等
-                IsAutoCloseConnection = true,
-                InitKeyType = InitKeyType.Attribute
-            });
-        }
+            ConnectionString = connectionString,
+            DbType = DbType.MySql, // 根据实际数据库类型修改，如DbType.MySql等
+            IsAutoCloseConnection = true,
+            InitKeyType = InitKeyType.Attribute
+        });
+
 
         return _db;
     }

Data/Repositories/MenuRepositories.cs

@@ -1,5 +1,7 @@
 using System.Windows.Controls;
 using PMSWPF.Data.Entities;
+using PMSWPF.Extensions;
+using PMSWPF.Models;
 using SqlSugar;
 
 namespace PMSWPF.Data.Repositories;
@@ -13,13 +15,21 @@ public class MenuRepositories
         _db=DbContext.GetInstance();
     }
 
-    public async Task<List<DbMenu>> GetMenu()
+    public async Task<List<MenuBean>> GetMenu()
     {
-     return await  _db.Queryable<DbMenu>().ToListAsync();
+        // //无主键用法新:5.1.4.110
+        // db.Queryable<Tree>().ToTree(it=>it.Child,it=>it.ParentId,0,it=>it.Id)//+4重载
+        List<MenuBean> menus=new();
+        var dbMenuList=await  _db.Queryable<DbMenu>().ToTreeAsync(dm=>dm.Items,dm=>dm.ParentId,0);
+        foreach (var item in dbMenuList)
+        {
+            menus.Add(item.CopyTo<MenuBean>());
+        }
+        return menus;
     }
     
-    public async Task<int> AddMenu(DbMenu dbMenu)
+    public async Task<int> AddMenu(MenuBean menu)
     {
-        return await _db.Insertable<DbMenu>(dbMenu).ExecuteCommandAsync();
+        return await _db.Insertable<DbMenu>(menu.CopyTo<DbMenu>()).ExecuteCommandAsync();
     }
 }