This problem is very simple, and there are ready-made solutions, aren't there? —— WeChat cloud reports meals, employees report meals on WeChat in advance, and canteen staff check the statistics of meal reporters on their mobile phones and cook according to the meal reporters. You can eat without meals or meals, but the cost is higher than that of meals in advance. If there is no charge for the canteen, you can finally restrain a porridge and a meal with the management system. When thinking is not easy; Half silk and half wisp; It is difficult to keep thinking about matter.