Abstract: Web Services are once described as stateless, but frequently it is necessary to maintain state or resources in the context of single request or business. This makes the research of stateful Web Services important. The paper discusses the meaning of the state of Web Services, and analyses the methods of state management of Web Services. Finally, a new method of state management is put up, and the implementation phototype is provided.

Key words: Web Services, State, Stateful resource, Session

摘要： 一般情况下Web Services被认为是无状态的，但是在单个服务请求者或者在特定的业务上下文中需要维护状态或资源来实现相互交互，所以有状态Web Services的研究具有重要意义。通过对Web Services状态含义的探讨，分析了现有状态管理方法的利弊，从而提出新的管理机制，并提供了一个实现原型。

关键词: Web Services, 状态, 有状态资源, 会话

CLC Number: 

• TP393.092