补充样式组件样式路径的默认值。

针对表格生成预制体的逻辑进行优化。

Runtime/XTable/Rendering/Component/TableRenderer.cs

@@ -17,11 +17,14 @@ namespace XericUI.XTable.Rendering.Component
         #region 内部字段
 
         private Transform m_Parent;
-        private CellAssembler m_Assembler;
-        private GameObject m_BackgroundGo;
+		private CellAssembler m_Assembler;
+		private GameObject m_BackgroundGo;
 
-        /// <summary>当前渲染器中所有预制体实例的缓存</summary>
-        private Dictionary<(int, int), GameObject> m_PrefabInstances;
+		/// <summary>共享预制体对象池引用（由 XericUIActionTable 传入）</summary>
+		public PrefabPrototypePool PrefabPool;
+
+		/// <summary>共享活跃预制体映射表（由 XericUIActionTable 传入）</summary>
+		public Dictionary<(int, int), GameObject> ActivePrefabMap;
 
         #endregion
 
@@ -88,7 +91,6 @@ namespace XericUI.XTable.Rendering.Component
         public void DestroyAll()
         {
             m_Assembler?.DestroyAll();
-            ClearPrefabInstances();
 
             if (m_BackgroundGo != null)
             {
@@ -262,8 +264,16 @@ namespace XericUI.XTable.Rendering.Component
                             XericUIActionTable.STYLE_CELL_FONT_ASSET) ?? txt.Text.font;
                     }
 
-                    if (data.Prefab != null)
-                        PositionPrefabInstance(r, c, data.Prefab, cellX, cellY, cellW, cellH);
+                    if (data.Prefab != null && PrefabPool != null)
+                    {
+                        GameObject instance = PrefabPool.Acquire(data.Prefab, r, c);
+                        RectTransform prt = instance.GetComponent<RectTransform>();
+                        prt.anchoredPosition = new Vector2(cellX, cellY);
+                        prt.sizeDelta = new Vector2(cellW, cellH);
+                        if (ActivePrefabMap != null)
+                            ActivePrefabMap[(r, c)] = instance;
+                        data.OnPrefabAcquire?.Invoke(instance);
+                    }
                 }
             }
         }
@@ -336,65 +346,22 @@ namespace XericUI.XTable.Rendering.Component
                         txt.Text.text = data.Text;
                     }
 
-                    if (data.Prefab != null)
-                        PositionPrefabInstance(r, c, data.Prefab, cellX, cellY, cellW, cellH);
+                    if (data.Prefab != null && PrefabPool != null)
+                    {
+                        GameObject instance = PrefabPool.Acquire(data.Prefab, r, c);
+                        RectTransform prt = instance.GetComponent<RectTransform>();
+                        prt.anchoredPosition = new Vector2(cellX, cellY);
+                        prt.sizeDelta = new Vector2(cellW, cellH);
+                        if (ActivePrefabMap != null)
+                            ActivePrefabMap[(r, c)] = instance;
+                        data.OnPrefabAcquire?.Invoke(instance);
+                    }
                 }
             }
         }
 
         #endregion
 
-        #region 预制体管理
-
-        private GameObject GetOrCreatePrefabInstance(int row, int col, GameObject prefab)
-        {
-            if (m_PrefabInstances == null)
-                m_PrefabInstances = new Dictionary<(int, int), GameObject>();
-
-            var key = (row, col);
-            if (m_PrefabInstances.TryGetValue(key, out GameObject existing) && existing != null)
-                return existing;
-
-            GameObject instance = Object.Instantiate(prefab, m_Parent);
-            instance.hideFlags = HideFlags.DontSave | HideFlags.HideInHierarchy;
-            instance.name = $"_prefab_{row}_{col}";
-            m_PrefabInstances[key] = instance;
-            return instance;
-        }
-
-        private void PositionPrefabInstance(int row, int col, GameObject prefab,
-            float cellX, float cellY, float cellW, float cellH)
-        {
-            GameObject instance = GetOrCreatePrefabInstance(row, col, prefab);
-            if (instance == null) return;
-
-            RectTransform prt = instance.GetComponent<RectTransform>();
-            if (prt == null) prt = instance.AddComponent<RectTransform>();
-
-            prt.anchorMin = new Vector2(0, 1);
-            prt.anchorMax = new Vector2(0, 1);
-            prt.pivot = new Vector2(0, 1);
-            prt.anchoredPosition = new Vector2(cellX, cellY);
-            prt.sizeDelta = new Vector2(cellW, cellH);
-        }
-
-        /// <summary>销毁所有缓存预制体实例</summary>
-        public void ClearPrefabInstances()
-        {
-            if (m_PrefabInstances == null) return;
-            foreach (var kv in m_PrefabInstances)
-            {
-                if (kv.Value != null)
-                {
-                    if (Application.isPlaying) Object.Destroy(kv.Value);
-                    else Object.DestroyImmediate(kv.Value);
-                }
-            }
-            m_PrefabInstances.Clear();
-        }
-
-        #endregion
-
         #region 坐标计算
 
         private float CalcRowTopY(int row, float[] rowHeights)

Runtime/XTable/Rendering/Component/XericUIActionTable.cs

@@ -70,8 +70,11 @@ namespace XericUI.XTable.Rendering.Component
 
         [System.NonSerialized] private GameObject m_BackgroundGo;
 
-        /// <summary>预制体实例缓存，key 为 (row, col)，用于复用已实例化的预制体</summary>
-        [System.NonSerialized] private Dictionary<(int, int), GameObject> m_PrefabInstances;
+		/// <summary>预制体对象池——按原型分组管理</summary>
+		[System.NonSerialized] private PrefabPrototypePool m_PrefabPool;
+
+		/// <summary>活跃预制体实例映射 (row, col) → instance，用于回调编排</summary>
+		[System.NonSerialized] private Dictionary<(int, int), GameObject> m_ActivePrefabMap;
 
         /// <summary>表格四叉树——按 StyleNamespace 分区，渲染阶段查询可见象限</summary>
         [System.NonSerialized] private XTableQuadtree m_Quadtree;
@@ -260,7 +263,14 @@ namespace XericUI.XTable.Rendering.Component
                             }
 
                             if (data.Prefab != null)
-                                PositionPrefabInstance(row, col, data.Prefab, cellX, cellY, cellW, cellH);
+                            {
+                                GameObject instance = m_PrefabPool.Acquire(data.Prefab, row, col);
+                                RectTransform prt = instance.GetComponent<RectTransform>();
+                                prt.anchoredPosition = new Vector2(cellX, cellY);
+                                prt.sizeDelta = new Vector2(cellW, cellH);
+                                m_ActivePrefabMap[(row, col)] = instance;
+                                data.OnPrefabAcquire?.Invoke(instance);
+                            }
                         }
                     }
                 }
@@ -332,7 +342,14 @@ namespace XericUI.XTable.Rendering.Component
                         }
 
                         if (data.Prefab != null)
-                            PositionPrefabInstance(row, col, data.Prefab, cellX, cellY, cellW, cellH);
+                        {
+                            GameObject instance = m_PrefabPool.Acquire(data.Prefab, row, col);
+                            RectTransform prt = instance.GetComponent<RectTransform>();
+                            prt.anchoredPosition = new Vector2(cellX, cellY);
+                            prt.sizeDelta = new Vector2(cellW, cellH);
+                            m_ActivePrefabMap[(row, col)] = instance;
+                            data.OnPrefabAcquire?.Invoke(instance);
+                        }
                     }
                 }
             }
@@ -353,6 +370,8 @@ namespace XericUI.XTable.Rendering.Component
                 m_TableData = new XTableData();
 
             m_Assembler = new CellAssembler(ContentTransform, m_DefaultStyleNamespace);
+            m_PrefabPool = new PrefabPrototypePool(ContentTransform);
+            m_ActivePrefabMap = new Dictionary<(int, int), GameObject>();
             RecalculateTotalSize();
             EnsureDefaultStyleNamespace();
             CreateDefaultSampleData();
@@ -405,7 +424,8 @@ namespace XericUI.XTable.Rendering.Component
             // 销毁所有动态生成的对象
             if (m_Assembler != null)
                 m_Assembler.DestroyAll();
-            ClearPrefabInstances();
+            m_PrefabPool?.DestroyAll();
+            m_ActivePrefabMap?.Clear();
             DestroyBorderRenderer();
             if (m_BackgroundGo != null)
             {
@@ -497,15 +517,36 @@ namespace XericUI.XTable.Rendering.Component
             MarkDirty(TableDirtyType.DataChanged);
         }
 
-        public void SetCellText(int row, int col, string text)
+        public XTableCellData SetCellText(int row, int col, string text)
         {
             var data = TableData.GetOrCreateCell(row, col);
             data.Text = text;
             MarkDirty(TableDirtyType.DataChanged);
+            return data;
         }
 
         public XTableCellData GetCellData(int row, int col)
-            => TableData.GetOrCreateCell(row, col);
+			=> TableData.GetOrCreateCell(row, col);
+
+		/// <summary>为指定单元格设置预制体</summary>
+		public XTableCellData SetCellPrefab(int row, int col, GameObject prefab)
+		{
+			var data = TableData.GetOrCreateCell(row, col);
+			data.Prefab = prefab;
+			MarkDirty(TableDirtyType.DataChanged);
+            return data;
+		}
+
+		/// <summary>清除指定单元格的预制体</summary>
+		public void ClearCellPrefab(int row, int col)
+		{
+			var data = TableData.GetCell(row, col);
+			if (data == null) return;
+			data.Prefab = null;
+			data.OnPrefabAcquire = null;
+			data.OnPrefabRelease = null;
+			MarkDirty(TableDirtyType.DataChanged);
+		}
 
         /// <summary>设置单元格的样式命名空间</summary>
         public void SetCellStyleNamespace(int row, int col, string styleNamespace)
@@ -808,19 +849,32 @@ namespace XericUI.XTable.Rendering.Component
                 bgRt.sizeDelta = new Vector2(m_TotalWidth, m_TotalHeight);
             }
 
-            // 清理上一次渲染的预制体实例
-            ClearPrefabInstances();
+            // 归还预制体前，触发所有活跃实例的释放回调
+            if (m_ActivePrefabMap != null)
+            {
+                foreach (var kv in m_ActivePrefabMap)
+                {
+                    var data = TableData.GetCell(kv.Key.Item1, kv.Key.Item2);
+                    data?.OnPrefabRelease?.Invoke(kv.Value);
+                }
+                m_ActivePrefabMap.Clear();
+            }
 
-            // 回收池
+            // 回收预制体池
+            m_PrefabPool?.ReturnAll();
+
+            // 回收 CellAssembler 池
             m_Assembler.ReturnAll();
 
             // 额外清理孤立的直接子对象（防止域重载或异常流程产生的残留）
             Transform poolRoot = m_Assembler.PoolRoot;
+            Transform prefabPoolRoot = m_PrefabPool?.PoolRoot;
             Transform contentT = ContentTransform;
             for (int i = contentT.childCount - 1; i >= 0; i--)
             {
                 var child = contentT.GetChild(i);
-                if ((poolRoot != null && child == poolRoot)) continue;
+                if (poolRoot != null && child == poolRoot) continue;
+                if (prefabPoolRoot != null && child == prefabPoolRoot) continue;
                 if (m_BackgroundGo != null && child.gameObject == m_BackgroundGo) continue;
 
                 child.gameObject.hideFlags = HideFlags.None;
@@ -931,6 +985,7 @@ namespace XericUI.XTable.Rendering.Component
         public void FullRebuild()
         {
             m_Assembler?.DestroyAll();
+            m_PrefabPool?.DestroyAll();
             ClearAllChildren();
             m_BackgroundGo = null;
             m_BorderRenderer = null;
@@ -938,6 +993,8 @@ namespace XericUI.XTable.Rendering.Component
             m_TableData = new XTableData();
 
             m_Assembler = new CellAssembler(ContentTransform, m_DefaultStyleNamespace);
+            m_PrefabPool = new PrefabPrototypePool(ContentTransform);
+            m_ActivePrefabMap = new Dictionary<(int, int), GameObject>();
             RecalculateTotalSize();
             CreateDefaultSampleData();
             CreateBackground();
@@ -992,7 +1049,8 @@ namespace XericUI.XTable.Rendering.Component
                 m_TableData.ClearAllMerges();
                 m_TableData.BlockMap.Clear();
             }
-            ClearPrefabInstances();
+            m_ActivePrefabMap?.Clear();
+            m_PrefabPool?.ReturnAll();
             m_Quadtree?.Clear();
             ClearSelection();
             MarkDirty(TableDirtyType.DataChanged);
@@ -1005,7 +1063,8 @@ namespace XericUI.XTable.Rendering.Component
         public void ClearTable()
         {
             m_Assembler?.DestroyAll();
-            ClearPrefabInstances();
+            m_PrefabPool?.DestroyAll();
+            m_ActivePrefabMap?.Clear();
             m_Quadtree?.Clear();
             ClearAllChildren();
             m_BackgroundGo = null;
@@ -1017,6 +1076,8 @@ namespace XericUI.XTable.Rendering.Component
             ClearSelection();
 
             m_Assembler = new CellAssembler(ContentTransform, m_DefaultStyleNamespace);
+            m_PrefabPool = new PrefabPrototypePool(ContentTransform);
+            m_ActivePrefabMap = new Dictionary<(int, int), GameObject>();
             MarkDirty(TableDirtyType.All);
             RecalculateTotalSize();
             CreateBackground();
@@ -1154,7 +1215,14 @@ namespace XericUI.XTable.Rendering.Component
 
                         // 预制体渲染
                         if (data.Prefab != null)
-                            PositionPrefabInstance(r, c, data.Prefab, cellX, cellY, cellW, cellH);
+                        {
+                            GameObject instance = m_PrefabPool.Acquire(data.Prefab, r, c);
+                            RectTransform prt = instance.GetComponent<RectTransform>();
+                            prt.anchoredPosition = new Vector2(cellX, cellY);
+                            prt.sizeDelta = new Vector2(cellW, cellH);
+                            m_ActivePrefabMap[(r, c)] = instance;
+                            data.OnPrefabAcquire?.Invoke(instance);
+                        }
                     }
                 }
                 return;
@@ -1230,68 +1298,20 @@ namespace XericUI.XTable.Rendering.Component
 
                     // 预制体渲染
                     if (data.Prefab != null)
-                        PositionPrefabInstance(r, c, data.Prefab, cellX, cellY, cellW, cellH);
+                    {
+                        GameObject instance = m_PrefabPool.Acquire(data.Prefab, r, c);
+                        RectTransform prt = instance.GetComponent<RectTransform>();
+                        prt.anchoredPosition = new Vector2(cellX, cellY);
+                        prt.sizeDelta = new Vector2(cellW, cellH);
+                        m_ActivePrefabMap[(r, c)] = instance;
+                        data.OnPrefabAcquire?.Invoke(instance);
+                    }
                 }
             }
         }
 
         #endregion
 
-        #region 预制体管理
-
-        /// <summary>获取或创建指定单元格的预制体实例</summary>
-        private GameObject GetOrCreatePrefabInstance(int row, int col, GameObject prefab)
-        {
-            if (m_PrefabInstances == null)
-                m_PrefabInstances = new Dictionary<(int, int), GameObject>();
-
-            var key = (row, col);
-            if (m_PrefabInstances.TryGetValue(key, out GameObject existing) && existing != null)
-                return existing;
-
-            GameObject instance = Instantiate(prefab, ContentTransform);
-            instance.hideFlags = HideFlags.DontSave | HideFlags.HideInHierarchy;
-            instance.name = $"_prefab_{row}_{col}";
-            m_PrefabInstances[key] = instance;
-            return instance;
-        }
-
-        /// <summary>定位预制体实例到指定单元格区域（锚点左上角，枢轴左上角）</summary>
-        private void PositionPrefabInstance(int row, int col, GameObject prefab, float cellX, float cellY, float cellW, float cellH)
-        {
-            GameObject instance = GetOrCreatePrefabInstance(row, col, prefab);
-            if (instance == null) return;
-
-            RectTransform prt = instance.GetComponent<RectTransform>();
-            if (prt == null) prt = instance.AddComponent<RectTransform>();
-
-            prt.anchorMin = new Vector2(0, 1);
-            prt.anchorMax = new Vector2(0, 1);
-            prt.pivot = new Vector2(0, 1);
-            prt.anchoredPosition = new Vector2(cellX, cellY);
-            prt.sizeDelta = new Vector2(cellW, cellH);
-        }
-
-        /// <summary>销毁所有已缓存的预制体实例</summary>
-        private void ClearPrefabInstances()
-        {
-            if (m_PrefabInstances == null) return;
-
-            foreach (var kv in m_PrefabInstances)
-            {
-                if (kv.Value != null)
-                {
-                    if (Application.isPlaying)
-                        Destroy(kv.Value);
-                    else
-                        DestroyImmediate(kv.Value);
-                }
-            }
-            m_PrefabInstances.Clear();
-        }
-
-        #endregion
-
         #region 坐标计算
 
         private float GetRowTopY(int row)
@@ -1667,6 +1687,10 @@ namespace XericUI.XTable.Rendering.Component
             m_ViewportRenderer.EndRow = m_FreezeRowCount;
             m_ViewportRenderer.StartCol = 0;
             m_ViewportRenderer.EndCol = m_FreezeColCount;
+
+            // 共享预制体对象池
+            m_ViewportRenderer.PrefabPool = m_PrefabPool;
+            m_ViewportRenderer.ActivePrefabMap = m_ActivePrefabMap;
         }
 
         /// <summary>渲染 Viewport 层冻结单元格，随滚动偏移调整位置</summary>

Runtime/XTable/Rendering/Elements/PrefabPrototypePool.cs

@@ -0,0 +1,186 @@
+using System.Collections.Generic;
+
+using UnityEngine;
+using UnityEngine.Pool;
+
+namespace XericUI.XTable.Rendering.Elements
+{
+	/// <summary>
+	/// 预制体对象池——按原型分组管理，每个预制体对应一个独立的对象池。
+	/// 使用 Stack + HashSet 模式与 <see cref="CellAssembler"/> 保持一致。
+	/// </summary>
+	public class PrefabPrototypePool
+	{
+		#region 内部类型
+
+		private class PrefabPool
+		{
+			public GameObject Prototype;
+			/// <summary>休眠实例栈（池满时先归还的优先复用）</summary>
+			public Stack<GameObject> Available = new Stack<GameObject>();
+			/// <summary>活跃实例集合（O(1) 查找 + 防止重复归还）</summary>
+			public HashSet<GameObject> Active = new HashSet<GameObject>();
+		}
+
+		#endregion
+
+		#region 字段
+
+		private Dictionary<GameObject, PrefabPool> m_Pools = new Dictionary<GameObject, PrefabPool>();
+		private Transform m_Parent;
+		private Transform m_PoolRoot;
+
+		/// <summary>池根节点（所有回收对象均挂在此节点下，节点本身处于 inactive）</summary>
+		public Transform PoolRoot => m_PoolRoot;
+
+		private const HideFlags POOL_FLAGS = HideFlags.DontSave | HideFlags.HideInHierarchy;
+
+		private static readonly Vector2 AnchorTopLeft = new Vector2(0, 1);
+		private static readonly Vector2 PivotTopLeft = new Vector2(0, 1);
+
+		#endregion
+
+		#region 构造 / 销毁
+
+		public PrefabPrototypePool(Transform parent)
+		{
+			m_Parent = parent;
+
+			GameObject poolRoot = new GameObject("_PrefabPoolRoot");
+			poolRoot.hideFlags = POOL_FLAGS;
+			poolRoot.transform.SetParent(parent, false);
+			poolRoot.SetActive(false);
+			m_PoolRoot = poolRoot.transform;
+		}
+
+		/// <summary>彻底销毁所有池对象（活跃 + 休眠 + 池根）</summary>
+		public void DestroyAll()
+		{
+			foreach (var kv in m_Pools)
+			{
+				var pool = kv.Value;
+				// 销毁活跃实例
+				foreach (var go in pool.Active)
+					KillObject(go);
+				pool.Active.Clear();
+				// 销毁休眠实例
+				while (pool.Available.Count > 0)
+					KillObject(pool.Available.Pop());
+			}
+			m_Pools.Clear();
+
+			if (m_PoolRoot != null)
+			{
+				KillObject(m_PoolRoot.gameObject);
+				m_PoolRoot = null;
+			}
+		}
+
+		private static void KillObject(GameObject go)
+		{
+			if (go == null) return;
+			if (Application.isPlaying)
+				Object.Destroy(go);
+			else
+				Object.DestroyImmediate(go);
+		}
+
+		#endregion
+
+		#region 池操作
+
+		/// <summary>从池中获取实例（池空则 Instantiate 新的）</summary>
+		public GameObject Acquire(GameObject prefab, int row, int col)
+		{
+			if (prefab == null) return null;
+
+			var pool = GetOrCreatePool(prefab);
+
+			GameObject instance;
+			if (pool.Available.Count > 0)
+			{
+				instance = pool.Available.Pop();
+				instance.SetActive(true);
+				instance.transform.SetParent(m_Parent, false);
+			}
+			else
+			{
+				instance = Object.Instantiate(prefab, m_Parent);
+				instance.hideFlags = POOL_FLAGS;
+			}
+
+			instance.name = $"_prefab_{row}_{col}";
+
+			// 强制 RectTransform 左上角坐标系
+			RectTransform rt = instance.GetComponent<RectTransform>();
+			if (rt == null) rt = instance.AddComponent<RectTransform>();
+			rt.anchorMin = AnchorTopLeft;
+			rt.anchorMax = AnchorTopLeft;
+			rt.pivot = PivotTopLeft;
+
+			pool.Active.Add(instance);
+			return instance;
+		}
+
+		/// <summary>将指定实例归还对象池（Deactivate + 移入 PoolRoot）</summary>
+		public void Release(GameObject instance)
+		{
+			if (instance == null) return;
+
+			// 查找所属池
+			foreach (var kv in m_Pools)
+			{
+				if (kv.Value.Active.Remove(instance))
+				{
+					instance.SetActive(false);
+					instance.transform.SetParent(m_PoolRoot, false);
+					kv.Value.Available.Push(instance);
+					return;
+				}
+			}
+
+			// 不属于任何池（异常情况），直接销毁
+			KillObject(instance);
+		}
+
+		/// <summary>将所有活跃实例回收至池</summary>
+		public void ReturnAll()
+		{
+			foreach (var kv in m_Pools)
+			{
+				var pool = kv.Value;
+				foreach (var go in pool.Active)
+				{
+					go.SetActive(false);
+					go.transform.SetParent(m_PoolRoot, false);
+					pool.Available.Push(go);
+				}
+				pool.Active.Clear();
+			}
+		}
+
+		/// <summary>获取当前所有活跃实例（用于外部遍历回调）</summary>
+		public IReadOnlyCollection<GameObject> GetActive(GameObject prefab)
+		{
+			if (prefab == null || !m_Pools.TryGetValue(prefab, out var pool))
+				return System.Array.Empty<GameObject>();
+			return pool.Active;
+		}
+
+		#endregion
+
+		#region 内部方法
+
+		private PrefabPool GetOrCreatePool(GameObject prefab)
+		{
+			if (!m_Pools.TryGetValue(prefab, out var pool))
+			{
+				pool = new PrefabPool { Prototype = prefab };
+				m_Pools[prefab] = pool;
+			}
+			return pool;
+		}
+
+		#endregion
+	}
+}

Runtime/XTable/Rendering/Elements/PrefabPrototypePool.cs.meta

@@ -0,0 +1,11 @@
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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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