Chapter 2 introduction to the technology of workflow is presented first it is described in detail from the aspects of conception , reference model and the current status and development , and then a workflow management system which is based on the relational database and developed for the web application is analyzed through the presentations of flow definition , engineer , tasks assigning and wapi 第二章，对工作流相关概念、参考模型、工作流技术的现状和发展等方面研究的基础上，开发了一个基于关系结构的工作流管理系统，并从工作流模型定义、工作流引擎、任务指派、用户接口等各方面全面描述。
