C#写的简单饭卡系统，实现简单的冲值功能。-C# to write a simple Fanka system to achieve the delta function

学生饭卡管理，可以根据学生学号姓名等查询饭卡所绑定的信息，同时有将图片写入数据库的操作-Student meal card management, according to the information students learn number names of query Fanka bound pictures written to the database operation