添加了数据库相关了类，和枚举类型相关的类，并且将枚举类型绑定到前段

Data/Entities/DbVariableTable.cs

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+using PMSWPF.Enums;
+using PMSWPF.Models;
+using SqlSugar;
+using SqlSugar.DbConvert;
+
+namespace PMSWPF.Data.Entities;
+
+[SugarTable("VariableTable")]
+public class DbVariableTable
+{
+    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]//数据库是自增才配自增 
+    public int  Id { get; set; }
+    public string Name { get; set; }
+    [SugarColumn(IsNullable = true)]
+    public string? Description { get; set; }
+    [SugarColumn(ColumnDataType="varchar(20)",SqlParameterDbType=typeof(EnumToStringConvert))]
+    public ProtocolType ProtocolType { get; set; }
+    
+    [Navigate(NavigateType.OneToMany, nameof(DbDataVariable.VariableTableId))]
+    public List<DbDataVariable>? DataVariables { get; set; }
+    [SugarColumn(IsNullable = true)]
+    public int? DeviceId { get; set; }
+    [Navigate(NavigateType.ManyToOne, nameof(DbVariableTable.DeviceId))]
+    public Device?  Device { get; set; }
+}