通信录管理系统 用C++设计出模拟手机通信录管理系统，实现对手机中的通信录进行管理,按照姓氏拼音排序。通信名单和信息的文件存储/读取和修改。-Address book management system using C++ design analog mobile phone address book management system, to achieve the phone address book management, sorted by last name spelling. C