利用线性表知识，设计并实现自己的通讯录管理。 (1)通讯录以文件的方式存储； (2)能够对通讯录进行建立、修改、插入、删除、排序、查询等-Linear form of knowledge, to design and implement your own address book management. (1) address book stored in the file (2) can be established on the address book, modify, inse