refactor:完成重构设备的添加，删除，更新。

DMS.WPF/Services/ViewDataService.cs

@@ -0,0 +1,73 @@
+using DMS.WPF.Interfaces;
+using DMS.WPF.ItemViewModel;
+using ObservableCollections;
+using System.Collections.ObjectModel;
+
+namespace DMS.WPF.Services;
+
+public class ViewDataService : IViewDataService
+{
+
+
+    /// <summary>
+    /// 设备列表。
+    /// </summary>
+    public ObservableDictionary<int,DeviceItem> Devices { get; set; }
+
+    /// <summary>
+    /// 设备列表。
+    /// </summary>
+    public new ObservableDictionary<int,VariableTableItem> VariableTables { get; set; }
+
+    /// <summary>
+    /// 变量数据列表。
+    /// </summary>
+    public ObservableDictionary<int,VariableItem> Variables { get; set; }
+
+
+    /// <summary>
+    /// MQTT服务器列表。
+    /// </summary>
+    public ObservableDictionary<int, MqttServerItem> MqttServers { get; set; }
+
+    /// <summary>
+    /// 菜单列表。
+    /// </summary>
+    public ObservableCollection<MenuItem> Menus { get; set; }
+
+    /// <summary>
+    /// 菜单树列表。
+    /// </summary>
+    public ObservableCollection<MenuItem> MenuTrees { get; set; }
+    
+    /// <summary>
+    /// 日志列表。
+    /// </summary>
+    public ObservableCollection<NlogItem> Nlogs { get; set; }
+
+    /// <summary>
+    /// MQTT别名列表。
+    /// </summary>
+    public ObservableDictionary<int, MqttAliasItem> MqttAliases { get; set; }
+
+    /// <summary>
+    /// 触发器列表。
+    /// </summary>
+    public ObservableDictionary<int, TriggerItem> Triggers { get; set; }
+
+    public ViewDataService()
+    {
+        Devices=new ObservableDictionary<int,DeviceItem>();
+        VariableTables = new ObservableDictionary<int,VariableTableItem>();
+        Variables=new ObservableDictionary<int,VariableItem>();
+        MqttServers=new ObservableDictionary<int, MqttServerItem>();
+        Menus=new ObservableCollection<MenuItem>();
+        MenuTrees=new ObservableCollection<MenuItem>();
+        Nlogs=new ObservableCollection<NlogItem>();
+        MqttAliases=new ObservableDictionary<int, MqttAliasItem>();
+        Triggers = new ObservableDictionary<int, TriggerItem>();
+        
+    }
+
+}
+