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文件传送

  class Program
    {
        
        static void Main(string[] args)
        {
           // string source = @"E:教学视频
et基础全套视频2014班传智播客.Net学院--特供精品.Net基础全套视频教程2014版特供精品.Net基础全套视频教程2014版--03c#高级3--面向对象多态特供.Net基础全套视频教程2014版（第十二天）video4、装向和拆箱.avi";
           // string target = @"C:UsersAdministratorDesktop	arget.avi";
           //// CopyFile(source, target);
           // File.Copy(source, target);
        
            Console.Read();
            

            

        }
        public static void CopyFile(string source, string target)
        {
            using(FileStream fsRead=new FileStream(source,FileMode.OpenOrCreate,FileAccess.Read))
            {
                using(FileStream fsWrite=new FileStream(target,FileMode.OpenOrCreate,FileAccess.Write))
                {
                    byte[] buffer = new byte[1024*1024*5];
                    while (true)
                    {
                        int r = fsRead.Read(buffer, 0, buffer.Length);
                        if (r == 0)
                        {
                            break;
                        }
                        fsWrite.Write(buffer, 0, r);
                    }
                }
            }
        }
    }