把握软件架构设计的关键点，学会“需求驱动”地设计，学会用例图，能综合应用部署图、构件图和包图，在实际工作中进行软件架构的工作。-Grasp the key points of the software architecture design, learn to " demand-driven" to design, learn to use case diagram, integrated application deployment diagram, component di