【摘要】 借鉴统一建模语言(UML)描述类对象生命周期的方法,基于对产品数据对象的生命周期分析,引出了生命周期状态机的概念,提出了面向过程的产品数据生命周期管理策略,最后,建立了面向过程的产品数据生命周期管理模型,并对其进行了详细分析。更多还原

【Abstract】 Referencing the method to describe l ife cycle of data object of a class in UML ,a concept of life cycle state machine and an idea of pro cess -oriented life cycle managemen t of product data are brought forward on the basis of analysis of life cycle of product data object.At last,a mod el of process -oriented life cycle ma n-agement of product data is given and a nalyzed in detail.更多还原