static void Main(string[] args)
{
System.Console.WriteLine("請輸入要去的硬碟");
string path = Console.ReadLine();
System.Console.WriteLine("請輸入要開啟的文件名稱");
string filename = Console.ReadLine();
FileFather ff = GetFileName(filename, path + filename);
ff.Openfile();
}
public static FileFather GetFileName(string filename, string fullPath)
{
string extention = Path.GetExtension(filename);
FileFather ff = null;
switch (extention)
{
case ".txt":
ff = new TxtPath(fullPath);
break;
case ".jpg":
ff = new JpgPath(fullPath);
break;
}
return(ff);
}