通過WebService傳輸檔案

/// <summary>
  /// 得到檔案位元組
  /// </summary>
  /// <param name="filepath">檔案路徑</param>
  /// <returns></returns>
  public byte[] GetFile(string filepath)
  {

   if(!File.Exists(filepath))
   {
    return null;
   }

   BinaryReader binReader = new BinaryReader(File.Open(filepath, FileMode.Open, FileAccess.Read));
   binReader.BaseStream.Position = 0;
   byte[] binFile =binReader.ReadBytes(Convert.ToInt32(binReader.BaseStream.Length));
   binReader.Close();
   return binFile;
  }

  /// <summary>
  /// 上傳檔案
  /// </summary>
  /// <param name="buffer"></param>
  /// <param name="filename"></param>
  public bool PutFile(byte[] buffer, string filepath)
  {
   bool isUp=false;

   if(File.Exists(filepath))
   {
    File.Delete(filepath);
   }

   try
   {
    BinaryWriter binWriter = new BinaryWriter(File.Open(filepath, FileMode.CreateNew,FileAccess.ReadWrite));
    binWriter.Write(buffer);
    binWriter.Close();
    isUp=true;
   }
   catch(Exception.FileException ex)
   {
    isUp=false;
    throw new Exception.FileException(ex.ToString());
    
   }
   return isUp;
   //return isUp;
  }