关联association,聚合aggregation,组合composition,依赖dependicy,继承generalization,实现relization
powerdesigner从上往下顺序:继关聚组依实
ji guan ju zu yi shi
实现角度的顺序：
继实关聚组依
关联association,聚合aggregation,组合composition,依赖dependicy,继承generalization,实现relization
powerdesigner从上往下顺序:继关聚组依实
ji guan ju zu yi shi
实现角度的顺序：
继实关聚组依