自制一个图书管理系统，里面包含了设计说明书，需求分析，详细设计，数据库文件等文件。加载数据库后就可直接运行。可用于毕业设计和课程设计使用。-Homemade a library management system, which includes design specification, requirements analysis, detailed design, database files and other documents. Loading the database can be run directly. Can be used in graduate design and curriculum design.