本文針對工作流系統中的業務邏輯異常，結合利用AOP 技術，通過對異常處理橫切關注
點的劃分，提出了一種新的工作流系統異常處理策略，并且提出了新的異常處理的后向恢復和橫向替代恢復方式。該技術策略可廣泛用于多種信息系統以及自動化控制系統。經過改進，曾應用于北京燕山石化內部的辦公自動化控制系統，并且獲得了公司良好的評價。
關鍵詞： 工作流； AOP； 橫切關注點； 異常處理

Abstract: In this paper, in order to handle the logical business exceptions in workflow system, by using AOP technology to separate the crosscutting-concerns of exceptions-handling, a new exception-handling strategy in workflow system is brought forward. And the new backward-recovery and cross-substitution methods of exception-handling is also introduced. This new strategy can be widely used in many kinds of information systems and auto-control systems. It is once modified and implemented in the auto-control of OA system in Beijing Yanshan Petrochemical Co.,Ltd.(BYPC). And it is highly appraised by the company.
Key word: Workflow; AOP; crosscutting-concern; exception-handling