是基于web的oa系统uml建模，可满足于企事业单位的、综合型的、能够提高单位内部信息交流、共享、流转处理的和实现办公自动化和提高工作效率的各种信息化设备和应用软件。-Oa is a web-based system uml modeling, enterprises and institutions to meet in, integrated, and can improve the Internal information exchange, sharing, transfer and a