添加项目文件。

HT.Cloud.Code/Web/Tree/TreeSelect.cs

@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright © 2016 HT.Cloud.Framework 版权所有
+ * Author: HT.Cloud
+ * Description: WaterCloud快速开发平台
+ * Website：
+*********************************************************************************/
+
+using System.Collections.Generic;
+using System.Text;
+
+namespace HT.Cloud.Code
+{
+	public static class TreeSelect
+	{
+		public static string TreeSelectJson(this List<TreeSelectModel> data)
+		{
+			StringBuilder sb = new StringBuilder();
+			sb.Append("[");
+			sb.Append(TreeSelectJson(data, "0", ""));
+			sb.Append("]");
+			return sb.ToString();
+		}
+
+		private static string TreeSelectJson(List<TreeSelectModel> data, string parentId, string blank)
+		{
+			StringBuilder sb = new StringBuilder();
+			var ChildNodeList = data.FindAll(t => t.parentId == parentId);
+			var tabline = "";
+			if (parentId != "0")
+			{
+				tabline = "　　";
+			}
+			if (ChildNodeList.Count > 0)
+			{
+				tabline = tabline + blank;
+			}
+			foreach (TreeSelectModel entity in ChildNodeList)
+			{
+				entity.text = tabline + entity.text;
+				string strJson = entity.ToJson();
+				sb.Append(strJson);
+				sb.Append(TreeSelectJson(data, entity.id, tabline));
+			}
+			return sb.ToString().Replace("}{", "},{");
+		}
+	}
+}

HT.Cloud.Code/Web/Tree/TreeSelectModel.cs

@@ -0,0 +1,18 @@
+/*******************************************************************************
+ * Copyright © 2016 HT.Cloud.Framework 版权所有
+ * Author: HT.Cloud
+ * Description: WaterCloud快速开发平台
+ * Website：
+*********************************************************************************/
+
+namespace HT.Cloud.Code
+{
+	public class TreeSelectModel
+	{
+		public string id { get; set; }
+		public string text { get; set; }
+		public string code { get; set; }
+		public string parentId { get; set; }
+		public object data { get; set; }
+	}
+}