static void Main(string[] args)
{
while (true)
{
Console.WriteLine("请选择要进入的磁盘");
string path = Console.ReadLine();
Console.WriteLine("请选择要打开的文件");
string fileName = Console.ReadLine();
//文件的全路径：path+fileName
FileFather ff = GetFile(fileName, path + fileName);
ff.OpenFile();
Console.ReadKey();
}
}
public static FileFather GetFile(string fileName, string fullPath)
{
string extension = Path.GetExtension(fileName);
FileFather ff = null;
switch (extension)
{
case ".txt": ff = new TxtPath(fullPath);
break;
case ".jpg": ff = new JpgPath(fullPath);
break;
case ".wmv": ff = new WmvPath(fullPath);
break;
}
return(ff);
}