工作流就是“业务过程的部分或整体在计算机应用环境下的自动化”，它主要解决的是“使在多个参与者之间按照某种预定义的规则传递文档、信息或任务的过程自动进行，从而实现某个预期的业务目标，或者促使此目标的实现”。这里使用的是JAVA语言实现工作流。-Workflow is　business process or part of the overall environment in the computer application of automation , which mainly addressed is,　among participants in a number of predefined in accordance with the rules of some transfer documents, information or tasks automatically in order to achieve a desired business objectives, or to realize this goal.　 Here is the use of JAVA language realize workflow.