软工实验，对图书馆管理系统进行可行性研究，用Visio绘制图书管管理系统的系统流程图，同时制定系统的开发计划，用Gantt图和时间线图描述进度计划安排。-Software engineering experiments, carried out a feasibility study for library management system, library management system system flow chart drawing with Visio, while develo