static void Main(string[] args)
{
Console.WriteLine("请输入要进入的磁盘：");
string path = Console.ReadLine();
Console.WriteLine("请输入一个文件名：");
string fileName = Console.ReadLine();
FileFather ff = GetFile(fileName, path + fileName);
ff.OpenFile();
}
public static FileFather GetFile(string fileName, string fullPath)
{
FileFather ff = null;
string extension = Path.GetExtension(fileName);
switch (extension)
{
case ".txt":
ff = new TxtFile(fullPath);
break;
case ".jpg":
ff = new JpgFile(fullPath);
break;
case ".flv":
ff = new FlvFile(fullPath);
break;
}
return(ff);
}
