基于XML的图书管理系统，本人独立开发。若想在此基础上开发，欢迎和我交流。若有疑问，邮件与我交流。leonyang@126.com-XML-based library management system, I independently developed. If you want to develop on this basis, and I welcome the exchange. If in doubt, e-mail exchanges with me. leonyang@126.co