整个学生成绩管理系统采用链表作为基本数据结构，创建一个类student用于保存学生的数据且是链表中的一个节点。类list作为保存整个链表之用。主函数通过switch语句来根据用户的需要连接各个模块，以实现用户的需要。-Entire student achievement management system as the basic data structure using a linked list, create a class of student data used to save the students and a node in the linked list. Class list with as to save the entire list. The main function through a switch statement based on the needs of users connected to each module to the needs of the user.