说明：  学生学籍管理系统 (1) 添加功能： 添加一个学生的基本信息，包括学号，姓名，性别，电话号码、寝室号码。 (2) 删除功能： 能够对一个职员的信息进行删除。 (3) 修改功能： 能够对学生的信息进行修改。 (4) 查找功能： 根据你键入的学生学号，显示其详细信息。 (6) 统计功能： 能进行总学分和加权平均分等的计算。 要求:1\提供构造函数2\类的结构3\创建新对象4\将对象输出到文件5\修改文件对象6\遍历文件7\产生英文字母后缀算法(如果有一个叫张三,那后输入的自动更正为张三A)
(Student Management System (1) Add function: add a student' s basic information, including student number, name, gender, telephone number, room number. (2) delete function: the ability of a staff information deleted. (3) modify the function: the ability to modify student information. (4) search function: type of student learning based on your number, display its details. (6) statistics: total credits can be calculated and weighted average grading. Requirements: 1 \ 2 to provide the constructor \ class structure 3 \ to create new objects 4 \ 5 will object to the file \ modify the file object 6 \ 7 through files \ generated letter suffix algorithm (if there is a called Zhang Third, that after AutoCorrect is seating input A))