用户信息的增加、修改、删除、查询等功能，通过链表和MFC实现，通过文本文件存储，全面覆盖了数据结构中的链表操作和MFC的开发，以及文本的读写操作，对于学习很有帮助。-The increase in user information, modify, delete, query and other functions, through the list and the MFC implementation, through a text file storage, comprehensive coverage of the data structure of linked lists MFC operation and Development, as well as the text to read and write operations, for the study is there is help.