#region FileStream读取txt文件
//using (FileStream fileStream = new FileStream(@"C:UsersadminDesktop1.txt", FileMode.OpenOrCreate, FileAccess.Read))
//{
// byte[] buffer = new byte[1024 * 1024 * 5];
// int r = fileStream.Read(buffer, 0, buffer.Length);
// string str = Encoding.UTF8.GetString(buffer, 0, r);
// Console.WriteLine(str);
// Console.ReadKey();
//}
#endregion
#region
//using (FileStream fileStream = new FileStream(@"C:UsersadminDesktop1.txt", FileMode.OpenOrCreate, FileAccess.Write))
//{
// string str = "我是写入的文本!";
// byte[] buffer = Encoding.UTF8.GetBytes(str);
// fileStream.Write(buffer, 0, buffer.Length);
//}
//Console.WriteLine("写入成功!");
//Console.ReadKey();
#endregion