【摘要】 首先根据用户需求和功能需求,确定了系统使用的技术.其次对系统进行了三层架构的划分,讲解了三个层次的作用,在此基础上简要介绍了各个模块的功能,最后以项目管理模块为例讲解数据库的设计和功能的实现.更多还原

【Abstract】 In this paper,choosing system technology was determined by user needs and functional requirements.Second,divide the system into three layers and also explain the role of the three layers,each module was introduced briefly on this basis,taking project management module as an example to explain the database design and functionality implementation finally.更多还原