C#------封裝檔案拷貝方法

標籤：

 class Program    {        static void Main(string[] args)        {            //FileStream 拷貝方法封裝            using(Stream fs = new FileStream(@"C:\Users\Administrator\Desktop\C#OOP練習\du.txt",FileMode.Open))            using(Stream fs1 = new FileStream(@"C:\Users\Administrator\Desktop\C#OOP練習\xie.txt",FileMode.Create))            {                Copy(fs, fs1, 4);            }            Console.WriteLine("拷貝完成");                   }        static void Copy(Stream Du, Stream Xie, int size)//檔案讀，檔案寫，讀取多少        {            byte[] bytes = new byte[size];            int len = 0;            while ((len = Du.Read(bytes, 0, bytes.Length)) > 0)            {                Xie.Write(bytes, 0, len);            }        }    }

 

C#------封裝檔案拷貝方法