本系统主要实现对电话簿进行管理，需要实现以下几个方面的管理功能：

（1）创建用户信息：录入用户信息

（2）删除用户信息：按编号删除

（3）查找用户信息：按姓名查找

（4）修改用户信息：按编号修改

（5）输出电话本

（6）保存电话本-This system mainly carries on the management to the telephone directory, needs to realize the following several aspects of management function:

(1) create user information: input user information

(2) delete user information: according to the number of deleted

(3) to find user information: search by name

(4) modify user information: modified by number

(5) the output of the telephone

(6) keep the phone book