简易的自动售货机，有售卖功能，展示所有商品，补货，盘点功能。
售卖功能有三种售卖方式，分别是微信支付宝现金，现金支付考虑找零和面额问题。展示商品展示所有的商品名 称价格序号以及当前售货机卖的总值。补货功能将所有缺的货物补满，盘点功能查看三种收货方式分别卖了多少钱。还有提醒功能，当某种货物少于三个或者零钱少于20，就会提醒。(Simple vending machine, with selling function, display all goods, replenishment, inventory function.
There are three ways of selling the selling function, namely, WeChat Alipay cash, cash payment consideration of change and denomination. Display commodity display all commodity names, price serial numbers and the total value of the current vending machine. The replenishment function replenishes all the missing goods, and the inventory function checks how much the three receiving methods have sold respectively. There is also a reminder function, when there are less than three goods or less than 20 change, it will remind.)