添加项目文件。

WaterCloud.Code/Web/TreeGrid/TreeGrid.cs

@@ -0,0 +1,60 @@
+/*******************************************************************************
+ * Copyright © 2016 WaterCloud.Framework 版权所有
+ * Author: WaterCloud
+ * Description: WaterCloud快速开发平台
+ * Website：
+*********************************************************************************/
+
+using System.Collections.Generic;
+using System.Text;
+
+namespace WaterCloud.Code
+{
+	public static class TreeGrid
+	{
+		public static string TreeGridJson(this List<TreeGridModel> data)
+		{
+			StringBuilder sb = new StringBuilder();
+			sb.Append(TreeGridJson(data, "0"));
+			return sb.ToString();
+		}
+
+		private static string TreeGridJson(List<TreeGridModel> data, string parentId)
+		{
+			StringBuilder sb = new StringBuilder();
+			var ChildNodeList = data.FindAll(t => t.parentId == parentId);
+			sb.Append("[");
+			if (ChildNodeList.Count > 0)
+			{
+				foreach (TreeGridModel entity in ChildNodeList)
+				{
+					string strJson = entity.ToJson() + ",";
+					strJson = strJson.Insert(1, "\"children\":" + TreeGridJson(data, entity.id) + ",");
+					sb.Append(strJson);
+				}
+				sb = sb.Remove(sb.Length - 1, 1);
+			}
+
+			sb.Append("]");
+			return sb.ToString().Replace("}{", "},{");
+		}
+
+		public static List<TreeGridModel> TreeList(this List<TreeGridModel> data)
+		{
+			return TreeList(data, "0");
+		}
+
+		private static List<TreeGridModel> TreeList(List<TreeGridModel> data, string parentId)
+		{
+			var ChildNodeList = data.FindAll(t => t.parentId == parentId);
+			if (ChildNodeList.Count > 0)
+			{
+				foreach (TreeGridModel entity in ChildNodeList)
+				{
+					entity.children = TreeList(data, entity.id);
+				}
+			}
+			return ChildNodeList;
+		}
+	}
+}