提出一种基于策略的软件自适应框架, 该框架采用基于上下文的自适应策略模型及上下文驱动的事件机制实现软件运行的自适应能力, 该框架屏蔽了软件运行环境的复杂性, 具有较强的可扩展性。-Propose a software-based adaptive strategy framework , the framework for software running on the use of adaptive strategy model context and context-driven event mechanism of adaptive capacity , the framework shields the complexity of the software operating environment , with a strong scalability.