重构了底层，方便向Android、Web、Linux进行跨平台迁移

NodeFlow/Base/NodeModelBaseData.cs

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+using Newtonsoft.Json;
+using Serein.Library.Api;
+using Serein.Library.Entity;
+using Serein.Library.Enums;
+using Serein.NodeFlow.Model;
+using Serein.NodeFlow.Tool.SerinExpression;
+using System.Xml.Linq;
+
+namespace Serein.NodeFlow.Base
+{
+    /// <summary>
+    /// 节点基类（数据）：条件控件，动作控件，条件区域，动作区域
+    /// </summary>
+    public abstract partial class NodeModelBase :IDynamicFlowNode
+    {
+        public NodeModelBase()
+        {
+            ConnectionType[] ct = [ConnectionType.IsSucceed,
+                                   ConnectionType.IsFail,
+                                   ConnectionType.IsError, 
+                                   ConnectionType.Upstream];
+            PreviousNodes = [];
+            SuccessorNodes = [];
+            foreach (ConnectionType ctType in ct)
+            {
+                PreviousNodes[ctType] = [];
+                SuccessorNodes[ctType] = [];
+            }
+        }
+        /// <summary>
+        /// 节点对应的控件类型
+        /// </summary>
+        public NodeControlType ControlType { get; set; }
+
+        /// <summary>
+        /// 方法描述，对应DLL的方法
+        /// </summary>
+        public MethodDetails MethodDetails { get; set; }
+
+        /// <summary>
+        /// 节点guid
+        /// </summary>
+        public string Guid { get; set; }
+
+        /// <summary>
+        /// 显示名称
+        /// </summary>
+        public string DisplayName { get; set; }
+
+        /// <summary>
+        /// 是否为起点控件
+        /// </summary>
+        public bool IsStart { get; set; }
+
+        /// <summary>
+        /// 运行时的上一节点
+        /// </summary>
+        public NodeModelBase? PreviousNode { get; set; }
+
+        /// <summary>
+        /// 不同分支的父节点
+        /// </summary>
+        public Dictionary<ConnectionType,List<NodeModelBase>> PreviousNodes { get; }
+        
+        /// <summary>
+        /// 不同分支的子节点
+        /// </summary>
+        public Dictionary<ConnectionType,List<NodeModelBase>> SuccessorNodes { get; } 
+
+        /// <summary>
+        /// 当前执行状态（进入真分支还是假分支，异常分支在异常中确定）
+        /// </summary>
+        public FlowStateType FlowState { get; set; } = FlowStateType.None;
+
+        /// <summary>
+        /// 运行时的异常信息（仅在 FlowState 为 Error 时存在对应值）
+        /// </summary>
+        public Exception RuningException { get; set; } = null;
+
+        /// <summary>
+        /// 当前传递数据（执行了节点对应的方法，才会存在值）
+        /// </summary>
+        public object? FlowData { get; set; } = null;
+
+        // public NodeModelBaseBuilder Build() => new NodeModelBaseBuilder(this);
+    }
+
+
+
+    /// <summary>
+    /// 节点基类（数据）：条件控件，动作控件，条件区域，动作区域
+    /// </summary>
+    //public class NodeModelBaseBuilder 
+    //{
+    //    public NodeModelBaseBuilder(NodeModelBase builder)
+    //    {
+    //        this.ControlType = builder.ControlType;
+    //        this.MethodDetails = builder.MethodDetails;
+    //        this.Guid = builder.Guid;
+    //        this.DisplayName = builder.DisplayName;
+    //        this.IsStart = builder.IsStart;
+    //        this.PreviousNode = builder.PreviousNode;
+    //        this.PreviousNodes = builder.PreviousNodes;
+    //        this.SucceedBranch = builder.SucceedBranch;
+    //        this.FailBranch = builder.FailBranch;
+    //        this.ErrorBranch = builder.ErrorBranch;
+    //        this.UpstreamBranch = builder.UpstreamBranch;
+    //        this.FlowState = builder.FlowState;
+    //        this.RuningException = builder.RuningException;
+    //        this.FlowData = builder.FlowData;
+    //    }
+
+        
+
+    //    /// <summary>
+    //    /// 节点对应的控件类型
+    //    /// </summary>
+    //    public NodeControlType ControlType { get; }
+
+    //    /// <summary>
+    //    /// 方法描述，对应DLL的方法
+    //    /// </summary>
+    //    public MethodDetails MethodDetails { get; }
+
+    //    /// <summary>
+    //    /// 节点guid
+    //    /// </summary>
+    //    public string Guid { get; }
+
+    //    /// <summary>
+    //    /// 显示名称
+    //    /// </summary>
+    //    public string DisplayName { get;}
+
+    //    /// <summary>
+    //    /// 是否为起点控件
+    //    /// </summary>
+    //    public bool IsStart { get;  }
+
+    //    /// <summary>
+    //    /// 运行时的上一节点
+    //    /// </summary>
+    //    public NodeModelBase? PreviousNode { get;  }
+
+    //    /// <summary>
+    //    /// 上一节点集合
+    //    /// </summary>
+    //    public List<NodeModelBase> PreviousNodes { get; } = [];
+
+    //    /// <summary>
+    //    /// 下一节点集合（真分支）
+    //    /// </summary>
+    //    public List<NodeModelBase> SucceedBranch { get; } = [];
+
+    //    /// <summary>
+    //    /// 下一节点集合（假分支）
+    //    /// </summary>
+    //    public List<NodeModelBase> FailBranch { get; } = [];
+
+    //    /// <summary>
+    //    /// 异常分支
+    //    /// </summary>
+    //    public List<NodeModelBase> ErrorBranch { get;  } = [];
+
+    //    /// <summary>
+    //    /// 上游分支
+    //    /// </summary>
+    //    public List<NodeModelBase> UpstreamBranch { get;  } = [];
+
+    //    /// <summary>
+    //    /// 当前执行状态（进入真分支还是假分支，异常分支在异常中确定）
+    //    /// </summary>
+    //    public FlowStateType FlowState { get; set; } = FlowStateType.None;
+
+    //    /// <summary>
+    //    /// 运行时的异常信息（仅在 FlowState 为 Error 时存在对应值）
+    //    /// </summary>
+    //    public Exception RuningException { get; set; } = null;
+
+    //    /// <summary>
+    //    /// 当前传递数据（执行了节点对应的方法，才会存在值）
+    //    /// </summary>
+    //    public object? FlowData { get; set; } = null;
+    //}
+
+
+}
+