控制台获得键盘事件

public static void Main(String[] args)
{  
    bool tag = true;
    do
    {
        ConsoleKeyInfo info = Console.ReadKey();
        switch (info.Key)
        {
            case ConsoleKey.E:
                Console.WriteLine("exit");
                tag = false;
                break;
            case ConsoleKey.UpArrow:
                Console.WriteLine("Up"); 
                break;
            case ConsoleKey.DownArrow:
                Console.WriteLine("Down"); 
                break;
            case ConsoleKey.LeftArrow:
                Console.WriteLine("Left"); 
                break;
            case ConsoleKey.RightArrow:
                Console.WriteLine("Right"); 
                break;
            default:
                Console.WriteLine(info.Key); 
                break;
        }
    } while (tag);
    Console.Read();
}