[1、上菜和打印](1%E3%80%81%E4%B8%8A%E8%8F%9C%E5%92%8C%E6%89%93%E5%8D%B0.md) [2、查询菜品](2%E3%80%81%E6%9F%A5%E8%AF%A2%E8%8F%9C%E5%93%81.md) [3、撤销完成](3%E3%80%81%E6%92%A4%E9%94%80%E5%AE%8C%E6%88%90.md)