2017-06-26 23:08 3573

public static void FileCopy(string source,string target){using (FileStream fileRead = new FileStream(source, FileMode.Open, FileAccess.Read)){byte[] bb = new byte[1024 * 1024 * 5];int r= fileRead.Read(bb, 0, bb.Length);using(FileStream fileWrite=new FileSt…