新增物料类型处理逻辑，确保在保存和编辑称重记录时自动设置默认物料类型。更新前端表单以支持密炼物料的选择和显示，优化用户体验。添加分类字典和数据字典的事件广播功能，增强系统的实时数据同步能力。

yy-admin-master/YY.Admin/ViewModels/SysManage/CategoryDictionaryManagementViewModel.cs

@@ -1,6 +1,8 @@
 using HandyControl.Controls;
+using Prism.Events;
 using System.Collections.ObjectModel;
 using YY.Admin.Core;
+using YY.Admin.Core.Events;
 using YY.Admin.Core.Helper;
 using YY.Admin.Services.Service.Category;
 using YY.Admin.Services.Service.Category.Dto;
@@ -11,6 +13,7 @@ namespace YY.Admin.ViewModels.SysManage;
 public class CategoryDictionaryManagementViewModel : BaseViewModel
 {
     private readonly IJeecgCategorySyncService _categorySyncService;
+    private SubscriptionToken? _categoryChangedToken;
 
     private PaginationDataGridViewModel<JeecgCategoryItemOutput> _paginationDataGridViewModel;
     public PaginationDataGridViewModel<JeecgCategoryItemOutput> PaginationDataGridViewModel
@@ -28,7 +31,6 @@ public class CategoryDictionaryManagementViewModel : BaseViewModel
 
     public DelegateCommand SearchCommand { get; }
     public DelegateCommand ResetCommand { get; }
-    public DelegateCommand SyncCommand { get; }
     public ObservableCollection<CategoryTreeNode> TreeNodes { get; } = [];
 
     private CategoryTreeNode? _selectedTreeNode;
@@ -49,7 +51,10 @@ public class CategoryDictionaryManagementViewModel : BaseViewModel
 
         SearchCommand = new DelegateCommand(async () => await SearchAsync());
         ResetCommand = new DelegateCommand(async () => await ResetAsync());
-        SyncCommand = new DelegateCommand(async () => await SyncAsync());
+
+        _categoryChangedToken = _eventAggregator
+            .GetEvent<CategoryChangedEvent>()
+            .Subscribe(async _ => await OnCategoryChangedAsync(), ThreadOption.UIThread);
 
         _ = InitializeAsync();
     }
@@ -84,21 +89,6 @@ public class CategoryDictionaryManagementViewModel : BaseViewModel
         await SearchAsync();
     }
 
-    private async Task SyncAsync()
-    {
-        var count = await _categorySyncService.SyncFromJeecgAsync();
-        if (count > 0)
-        {
-            Growl.Success($"同步完成，共处理 {count} 条分类字典数据");
-        }
-        else
-        {
-            Growl.Warning("未同步到分类字典，请确认后端可访问");
-        }
-        await LoadTreeAsync();
-        await SearchAsync();
-    }
-
     public async Task OnTreeSelectedAsync(CategoryTreeNode? node)
     {
         SelectedTreeNode = node;
@@ -131,6 +121,22 @@ public class CategoryDictionaryManagementViewModel : BaseViewModel
         return node;
     }
 
+    private async Task OnCategoryChangedAsync()
+    {
+        await LoadTreeAsync();
+        await PaginationDataGridViewModel.LoadDataAsync();
+    }
+
+    protected override void CleanUp()
+    {
+        base.CleanUp();
+        if (_categoryChangedToken != null)
+        {
+            _eventAggregator.GetEvent<CategoryChangedEvent>().Unsubscribe(_categoryChangedToken);
+            _categoryChangedToken = null;
+        }
+    }
+
     public class CategoryTreeNode
     {
         public string Id { get; set; } = string.Empty;