此电话簿管理可以利用文本文件存储电话簿数据，具有添加、删除、显示（包括录入时间）、查询（包括智能查询）、修改联系人电话好吗的功能。-This phone book management can use a text file stored phone book data, with add, delete, display (including the entry time), query (including intelligent inquiries), modify, please con