重构了代码

Data/Entities/DbVariableData.cs

@@ -0,0 +1,48 @@
+using PMSWPF.Enums;
+using SqlSugar;
+using SqlSugar.DbConvert;
+
+namespace PMSWPF.Data.Entities;
+
+[SugarTable("VariableData")]
+public class DbVariableData
+{
+    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)] //数据库是自增才配自增 
+    public int Id { get; set; }
+
+    [SugarColumn(IsNullable = true)] public int? VariableTableId { get; set; }
+
+    [Navigate(NavigateType.ManyToOne, nameof(VariableTableId))]
+    public DbVariableTable? VariableTable { get; set; }
+
+    public string Name { get; set; }
+
+    [SugarColumn(IsNullable = true)] public string? Description { get; set; }
+
+    public string NodeId { get; set; }
+
+    [SugarColumn(ColumnDataType = "varchar(20)", SqlParameterDbType = typeof(EnumToStringConvert))]
+    public ProtocolType ProtocolType { get; set; }
+
+    public string DataType { get; set; }
+
+    [SugarColumn(IsNullable = true)] public List<DbMqtt>? Mqtts { get; set; }
+
+    public string DataValue { get; set; } = String.Empty;
+    public string DisplayValue { get; set; } = String.Empty;
+    public DateTime UpdateTime { get; set; }
+
+    [SugarColumn(IsNullable = true)] public DbUser? UpdateUser { get; set; }
+
+    public string Converstion { get; set; } = String.Empty;
+    public bool IsDeleted { get; set; }
+    public bool IsActive { get; set; }
+    public bool IsSave { get; set; }
+    public double SaveRange { get; set; }
+    public bool IsAlarm { get; set; }
+    public double AlarmMin { get; set; }
+    public double AlarmMax { get; set; }
+
+    [SugarColumn(ColumnDataType = "varchar(20)", IsNullable = true, SqlParameterDbType = typeof(EnumToStringConvert))]
+    public SignalType SignalType { get; set; }
+}