双向链表 课程设计得优，实现功能为通讯录，界面没写，调试得没有bug-Doubly linked list of curriculum design excellent functionality for the address book, the interface did not write, debug, not bug

能实现增加，搜索，删除，计数的学生通讯录（本科C++课程设计）(To achieve increase, search, delete, count the student address book (undergraduate C++ curriculum design))