坐标格式提取转换的两种方法C#、Excel

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

namespace 点云转pt
{
    class Program
    {
        static void Main(string[] args)
        {
            //测时
            Stopwatch st = new Stopwatch();
            st.Start();
            string wjming = "坐标" + "(" + DateTime.Now.ToString("yyyyMMddhhmmss") + ")";
            string path = @"E:\C#\点云转pt2\点云转pt2\bin\Debug";
            File.WriteAllText(path + "\\" + wjming + ".txt", null);
            List<坐标> result = diaoqu(@"C:\Users\Ouy_\Desktop\all-Octree (0.1).txt");
            using (StreamWriter sw = new StreamWriter(wjming + ".txt"))
            {
                foreach (var item1 in result)
                {
                    sw.WriteLine(item1.Name + ",," + item1.X + "," + item1.Y + "," + item1.H);
                }
            }
            st.Stop();
            Console.WriteLine("OK!Time: " + st.Elapsed);
        }
        static List<坐标> diaoqu(string a)
        {
            FileStream fs = new FileStream(a, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            StreamReader m_streamReader = new StreamReader(fs);
            m_streamReader.BaseStream.Seek(0, SeekOrigin.Begin);
            int index = 0;
            string strLine = m_streamReader.ReadLine();
            List<坐标> result = new List<坐标>();
            // 从数据流中读取每一行，直到文件的最后一行
            while (strLine != null)
            {
                string[] s = strLine.Split(‘ ‘);//txt文件格式分隔符
                try
                {
                    坐标 pt = new 坐标((++index).ToString(), s[0], s[1], s[2]);
                    result.Add(pt);
                    strLine = m_streamReader.ReadLine();
                }
                catch (Exception ex)
                {
                    Console.Write(ex.ToString());
                }
            }
            fs.Close();
            m_streamReader.Close();
            return result;
        }
    }
    class 坐标
    {
        public string Name { get; set; }
        public string X { get; set; }
        public string Y { get; set; }
        public string H { get; set; }

        public 坐标(string name, string x, string y, string h)
        {
            Name = name;
            X = x;
            Y = y;
            H = h;
        }

    }
}