调整地区数据缓存

Atomx.Utils/Extension/TreeExtension.cs

@@ -1,36 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Atomx.Utils.Extension
-{
-    public static class TreeExtension
-    {
-        public static List<T> ToTree<T>(this List<T> list, Func<T, string> getId, Func<T, string> getParentId, Action<T, List<T>> setChildren, string rootParentId = "0")
-        {
-            var lookup = new Dictionary<string, T>();
-            var result = new List<T>();
-            foreach (var item in list)
-            {
-                var id = getId(item);
-                lookup[id] = item;
-            }
-            foreach (var item in list)
-            {
-                var parentId = getParentId(item);
-                if (parentId == rootParentId || !lookup.ContainsKey(parentId))
-                {
-                    result.Add(item);
-                }
-                else
-                {
-                    var parent = lookup[parentId];
-                    var children = new List<T>();
-                    setChildren(parent, children);
-                    children.Add(item);
-                }
-            }
-            return result;
-        }
-    }
-}