模式7: Adapter(-) Aliases: Wrapper Intent Convert the interface of a class into another inter face clients expect. Adapter lets classes work together that couldn't otherwise because of incompatible interfaces Motivation Sometimes a toolkit class that's designed for reuse isn't reusable only because its interface doesn't match the domain-specific inter face an application requires模式 7： Adapter (一) • Aliases：Wrapper • Intent – Convert the interface of a class into another interface clients expect. Adapter lets classes work together that couldn't otherwise because of incompatible interfaces. • Motivation – Sometimes a toolkit class that's designed for reuse isn't reusable only because its interface doesn't match the domain-specific interface an application requires