Design And Realization Of A User-defined Workflow System

Workflow management is a rapidly growing research and development area with the infornationization of the government and enterprise.Workflow model describe the process activities excuted by the computer and relations of them.Workflow moel also defined the information such as enterprise organization,resource and data.The paper provides a user-defined workflow system based on the workflow reference model witch issued by Workflow Management Coalition(WFMC).This paper also discussd the system structure pattern and design pattern suit for workflow system developing.The workflow System adopt J2EE standard and realize a four tier system structure based on B/S(browser/server).The workflow also realize a flatover characteristic from operating system,middle module server to database.To prove the feasibility of the designed workflow model system,the paper designed a WEBOA document examine and approve system as the development instance of the prototype system.The paper summarize the discuss above and give a expectation of the unborn research.