可以实现网上预订房间 显示客房状态，查询剩余的酒店，进行商品的购买和用户结算。可以以客户，管理员，会员的身份登录该系统，进行可视化的增删改查等操作(Online booking rooms can be realized to display room status, query the remaining hotels, purchase goods and settle accounts. You can log in to the system with the identity of the customer, the administrator and the member, and make the visual operation of adding, deletions, deletions, modification, and so on)