设计GUI界面的Hannoi塔。汉诺塔中有三个座，名字分别为A，B，C。初始状态时A塔上有3个大小不等的盘子，这些盘子从座底到座顶按着大小顺序依次摆放在A座上。用户可以用鼠标选中盘子，然后通过拖动鼠标来移动盘子。释放鼠标来放置该盘子.程序要求用户在移动盘子的过程中，不允许吧大盘子放置在小盘子的上面，用户最终要完成的是把A座上的全部盘子移动到B座或C座上。

-GUI interface design Hannoi tower. Tower of Hanoi has three seats, the names were A, B, C. There are three sizes of plates A tower on the initial state, these plates　the seat bottom to the top of the seat according to the size of the order placed in the A base. The user can use the mouse to　the tray, and then by dragging the mouse to move the dish. Release the mouse to place the dish. In the process of the program requires the user to move the dish, and it is not allowed platter placed on top of a small plate, and users will eventually want to accomplish is to put all the dishes A seat is moved to the seat base B or C .