说明：  MIS课程设计报告——客户管理系统 报告包含er图、一般关系模型、数据字典、业务流图、数据流图（顶层图、0层图以及1层图），此外还包括代码设计、总体设计。是一份好东西！
(MIS curriculum design Report- Client Management System er report contains maps, the general relationship model, data dictionary, business flow diagram, data flow diagram (top-level maps, floor plans, as well as 0 layer Figure 1), in addition to code design, the overall design. Is a good thing!)