C# 模拟C工程文件，将文件存入字典，然后转文件类型的树形结构

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 字典转树形结构
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, List<string>> FileDic = new Dictionary<string, List<string>>();
            FileDic["CTree"] = new List<string> { "a.c", "b.c" };
            FileDic["a.c"] = new List<string> { "1.h" };
            FileDic["b.c"] = new List<string> { "11.h" };
            FileDic["1.h"] = new List<string> { "2.h", "5.h", "7.h" };
            FileDic["2.h"] = new List<string> { "3.h", "4.h" };
            FileDic["3.h"] = new List<string>();
            FileDic["4.h"] = new List<string>();
            FileDic["5.h"] = new List<string> { "6.h" };
            FileDic["6.h"] = new List<string>();
            FileDic["7.h"] = new List<string> { "8.h", "9.h", "10.h" };
            FileDic["8.h"] = new List<string>();
            FileDic["9.h"] = new List<string>();
            FileDic["10.h"] = new List<string>();
            FileDic["11.h"] = new List<string> { "12.h" };
            FileDic["12.h"] = new List<string> { "11.h" };

            IncludeFileNode tree = new IncludeFileNode();
            List<string> nodelist = new List<string>();
            tree.Children = CreateChildNode(FileDic, "CTree", nodelist);
        }

        public static List<IncludeFileNode> CreateChildNode(Dictionary<string, List<string>> fileDic, string key, List<string> nodelist)
        {
            //childNode:子节点
            List<IncludeFileNode> childNode = new List<IncludeFileNode>();
            foreach (var value in fileDic[key])
            {
                nodelist.Add(value);
                if (isLoopInclude(nodelist, fileDic, value))
                {
                    break;
                }
                //nextNode:下个节点
                IncludeFileNode nextNode = new IncludeFileNode();
                nextNode.FileName = value;
                //将当前节点的值作为获取下个节点函数的key变量
                nextNode.Children = CreateChildNode(fileDic, value, nodelist);
                childNode.Add(nextNode);
            }
            return childNode;
        }

        private static bool isLoopInclude(List<string> nodelist, Dictionary<string, List<string>> fileDic, string key)
        {
            bool loopInclude = false;
            if (fileDic[key].Count == 0)
            {
                nodelist.Clear();
            }
            if ((from t in nodelist where t.Equals(key) select t).Count() == 2)
            {
                loopInclude = true;
            }
            return loopInclude;
        }
    }

    class IncludeFileNode
    {
        public string FileName { get; set; }
        public List<IncludeFileNode> Children { get; set; }
    }
}