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 by name, quick to find, copy files from the function