先想到这吧

Library/NodeAttribute.cs

@@ -49,4 +49,99 @@ namespace Serein.Library.Attributes
         public string LockName;
     }
 
+
+
+    //[AttributeUsage(AttributeTargets.Field)]
+    //public class BindTypeAttribute : Attribute
+    //{
+    //    public Type Type { get; }
+
+    //    public BindTypeAttribute(Type type)
+    //    {
+    //        Type = type;
+    //    }
+    //}
+
+    [AttributeUsage(AttributeTargets.Field)]
+    public class BindValueAttribute : Attribute
+    {
+        public object Value { get; }
+
+        public BindValueAttribute(object value)
+        {
+            Value = value;
+        }
+    }
+
+    [AttributeUsage(AttributeTargets.Field)]
+    public class PLCValueAttribute : Attribute
+    {
+        public enum VarType
+        {
+            /// <summary>
+            /// 可写入值
+            /// </summary>
+            Write,
+            /// <summary>
+            /// 定时读取的可写入值（用来写入前判断），应该几乎不会有这种类型？
+            /// </summary>
+            TimingReadOrWrite,
+            /// <summary>
+            /// 只读取值（使用时刷新）
+            /// </summary>
+            ReadOnly,
+            /// <summary>
+            /// 定时刷新的只读取值（定时刷新用来触发触发器）
+            /// </summary>
+            TimingReadOnly,
+        }
+
+        public bool IsProtected { get; }
+        public Type DataType { get; }
+        public string Var { get; }
+        //public int Length { get; }
+        //public double Offset { get; }
+        public VarType Type { get; }
+        //public int RefreshInterval { get; }
+
+
+
+        public PLCValueAttribute(Type type,
+                                string @var,
+                                VarType varType
+                                //int refreshInterval = 100
+                                )
+        {
+            DataType = type;
+            Var = @var;
+            //Offset = offset;
+            //RefreshInterval = refreshInterval;
+            Type = varType;
+            //Length = length;
+        }
+    }
+
+
+    /// <summary>
+    /// 枚举值转换器
+    /// </summary>
+
+    //[AttributeUsage(AttributeTargets.Parameter)]
+    //public class EnumConvertorAttribute : Attribute
+    //{
+    //    public Type Enum { get; }
+
+    //    public EnumConvertorAttribute(Type @enum)
+    //    {
+    //        if (@enum.IsEnum)
+    //        {
+    //            Enum = @enum;
+    //        }
+    //        else
+    //        {
+    //            throw new ArgumentException("需要枚举类型");
+    //        }
+    //    }
+    //}
+
 }