c#导入二级树代码备份

using log4net;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using YRUSServer.common;
using YRUSServer.entity;
using YRUSServer.model;
using YRUSServer.util;

namespace YRUSServer.service
{
    public class ToolService
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(ToolService));
        public static Result InsertData()
        {
            long pid = 0;
            string filePath = "D:\\ms_test\\临床诊断.txt";
            string root = "";
            // 使用StreamReader打开文件
            using (StreamReader sr = new StreamReader(filePath, Encoding.UTF8))
            {
                string line;
                // 逐行读取文件内容
                while ((line = sr.ReadLine()) != null)
                {
                    if (!string.IsNullOrEmpty(line))
                    {
                        if(IsLevel1(line))
                        {
                            root = line;
                            pid =InsertItem(line, 0);
                        }
                        if (IsLevel2(line))
                        {
                            line = line.Trim();
                            InsertItem(line, pid);
                        }
                    }
                }
            }
            return Result.Ok("success");
        }
        public static bool IsLevel1(string line)
        {
            if (!line.StartsWith("\t") && !line.StartsWith("\t\t")) return true;
            else return false;
        }
        public static bool IsLevel2(string line)
        {
            if (line.StartsWith("\t") && !line.StartsWith("\t\t")) return true;
            else return false;
        }
        public static bool IsLevel3(string line)
        {
            if (line.StartsWith("\t\t")) return true;
            else return false;
        }
        public static long InsertItem(string name,long pid)
        {
            Word word = new Word();
            word.Pid = pid;
            word.Gid = 17;
            word.CreateTime =DateTime.Now;
            word.Name = name;
            long row = App.DB.Insert<Word>(word);
            return row;
        }
    }
}