using System.IO;

class Program
{
    static void Main(string[] args)
    {
      //循環(huán)讀取大文本文件
      FileStream fsRead;
      //獲取文件路徑
      string filePath="C:\\Users\\國(guó)興\\Desktop\\1號(hào)店賬號(hào).txt";
      //用FileStream文件流打開(kāi)文件
      try
      {
        fsRead = new FileStream(@filePath,FileMode.Open);
      }
      catch (Exception)
      {
        throw;
      }
      //還沒(méi)有讀取的文件內(nèi)容長(zhǎng)度
      long leftLength = fsRead.Length;
      //創(chuàng)建接收文件內(nèi)容的字節(jié)數(shù)組
      byte[] buffer = new byte[1024];
      //每次讀取的最大字節(jié)數(shù)
      int maxLength=buffer.Length;
      //每次實(shí)際返回的字節(jié)數(shù)長(zhǎng)度
      int num=0;
      //文件開(kāi)始讀取的位置
      int fileStart=0;
      while (leftLength>0)
      {
        //設(shè)置文件流的讀取位置
        fsRead.Position=fileStart;
        if (leftLength<maxLength)
        {
          num=fsRead.Read(buffer,0,Convert.ToInt32(leftLength));
        }
        else{
          num=fsRead.Read(buffer,0,maxLength);
        }
        if (num==0)
        {
          break;
        }
        fileStart += num;
        leftLength -= num;
        Console.WriteLine(Encoding.Default.GetString(buffer));
      }
      Console.WriteLine("end of line");
      fsRead.Close();
      Console.ReadKey();
    }
}