功能要求：

信息包括：学号、姓名、年龄、性别、出生年月、地址、电话、电子邮件等。

能建立、修改和增删学生通讯录

能按多种方式进行查询

有报告-Functional requirements: information including: school, name, age, sex, date of birth, address, phone, e-mail. Can create, modify, and query a variety of ways to add or delete student directory reports