雨楠(仿KFC)订餐外卖系统前台功能：我要订餐、查询个人订单、切换小区位置、帮助中心 商品分类、订购产品、订单生成、提交订单、自动判断是否曾经买过 自动增加外卖费用-Yu Nan (imitation KFC) takeaway ordering system front office functions: I want to ordering, query individual orders, handover cell location, the Help Center commodity