添加一个表格组件，原理上贴近现代表格系统，理论上可以应对超大型表格以及离散数据集合。

Runtime/XTable/Mapping/XTableBlockMapping.cs

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+using System.Runtime.CompilerServices;
+
+using XericLibrary.Runtime.MacroLibrary;
+
+namespace XericUI.XTable.Mapping
+{
+	/// <summary>
+	/// 块映射工具——将块坐标与 Z 曲线索引进行相互转换。
+	/// 内部调用 <see cref="MacroCurveMapping"/> 的 Morton Code 编码/解码方法。
+	/// Z 曲线索引避免纯横向排列产生的空缺问题，提升空间局部性。
+	/// </summary>
+	public static class XTableBlockMapping
+	{
+		/// <summary>
+		/// 块坐标 → Z 曲线索引 (Morton Code)
+		/// </summary>
+		/// <param name="blockRow">块行号 (非负)</param>
+		/// <param name="blockCol">块列号 (非负)</param>
+		/// <returns>64 位 Z 曲线索引，用作块字典的 key</returns>
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static ulong BlockCoordToZIndex(int blockRow, int blockCol)
+		{
+			return MacroCurveMapping.ZOrderEncode(blockCol, blockRow);
+		}
+
+		/// <summary>
+		/// Z 曲线索引 → 块坐标
+		/// </summary>
+		/// <param name="zIndex">Z 曲线索引</param>
+		/// <param name="blockRow">解码后的块行号</param>
+		/// <param name="blockCol">解码后的块列号</param>
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static void ZIndexToBlockCoord(ulong zIndex, out int blockRow, out int blockCol)
+		{
+			MacroCurveMapping.ZOrderDecode(zIndex, out blockCol, out blockRow);
+		}
+	}
+}

Runtime/XTable/Mapping/XTableBlockMapping.cs.meta

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Runtime/XTable/Mapping/XTableCoordinateUtility.cs

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+#if ENABLE_BURST
+using Unity.Burst;
+#endif
+
+using System.Runtime.CompilerServices;
+
+namespace XericUI.XTable.Mapping
+{
+	/// <summary>
+	/// 表格坐标计算工具——提供单元格坐标 ↔ 块坐标 的转换方法。
+	/// 所有方法支持 Burst 编译加速。
+	/// </summary>
+#if ENABLE_BURST
+	[BurstCompile]
+#endif
+	public static class XTableCoordinateUtility
+	{
+		/// <summary>
+		/// 将全局单元格坐标 (row, col) 转换为 块坐标 + 块内局部坐标。
+		/// blockRow = row / blockSizeY, blockCol = col / blockSizeX
+		/// localRow = row % blockSizeY, localCol = col % blockSizeX
+		/// </summary>
+#if ENABLE_BURST
+		[BurstCompile]
+#endif
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static void CellToBlockCoordinate(
+			int row, int col, int blockSizeX, int blockSizeY,
+			out int blockRow, out int blockCol,
+			out int localRow, out int localCol)
+		{
+			blockRow = row / blockSizeY;
+			blockCol = col / blockSizeX;
+			localRow = row % blockSizeY;
+			localCol = col % blockSizeX;
+		}
+
+		/// <summary>
+		/// 计算块内的线性索引。
+		/// index = localRow * blockSizeX + localCol
+		/// </summary>
+#if ENABLE_BURST
+		[BurstCompile]
+#endif
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static int LocalCellIndex(int localRow, int localCol, int blockSizeX)
+		{
+			return localRow * blockSizeX + localCol;
+		}
+
+		/// <summary>
+		/// 从块内线性索引反算局部行列坐标。
+		/// </summary>
+#if ENABLE_BURST
+		[BurstCompile]
+#endif
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static void LocalCellFromIndex(int index, int blockSizeX,
+			out int localRow, out int localCol)
+		{
+			localRow = index / blockSizeX;
+			localCol = index % blockSizeX;
+		}
+
+		/// <summary>
+		/// 从全局行列坐标直接计算块内线性索引。
+		/// </summary>
+#if ENABLE_BURST
+		[BurstCompile]
+#endif
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static int GlobalCellToLocalIndex(int row, int col, int blockSizeX, int blockSizeY)
+		{
+			int localRow = row % blockSizeY;
+			int localCol = col % blockSizeX;
+			return localRow * blockSizeX + localCol;
+		}
+	}
+}

Runtime/XTable/Mapping/XTableCoordinateUtility.cs.meta

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