框架（Framework）是整个或部分系统的可重用设计，表现为一组抽象构件及构件实例间交互的方法 另一种定义认为，框架是可被应用开发者定制的应用骨架。前者是从应用方面而后者是从目的方面给出的定义。 -Framework (Framework) is the whole or part of the system reusable design expressed as a set of abstract components and component interactions among instances of the method　the other a definition that can be applied framework is the application developers to customize the skeleton. The former is from the application while the latter is the definition given purposes.