通信录管理系统可以实现系统的输入、显示、查找、删除、插入、保存文件、读文件、按序号显示、按姓名排序、快速查找、复制文件、退出功能-Communication management system can be recorded in the system input, display, search, delete, insert, save the file, reading documents, according to the serial number shows that sorting