什么是框架(国外英文资料).docVIP

什么是框架(国外英文资料) What is a framework The Framework (Framework) is a reusable design of the whole or part of the system, represented by a set of abstract artifacts and methods of interaction between the component instances; Another definition is that the framework is an application skeleton that can be customized by the application developer. The former is the application aspect and the latter is the definition of the purpose. , so to speak, a framework is a reusable design artifacts, it provides the application architecture, illustrates the whole design, collaboration, the dependencies between components, responsibility allocation and control process, characterized by a set of abstract class and collaboration between its instance method, it provides a Context (Context) component reuse. Therefore, the large-scale reuse of the component libraries also requires a framework. Field component framework approach to a great extent, draw lessons from the development of hardware technology achievements, it is the component technology, the software architecture research and development of application software development of the three combination of the product. In many cases, the framework is typically presented as a component library, but the component library is only an important part of the framework. The key to the framework is the interaction patterns and control flow patterns within the framework. The framework is more customizable than the artifacts. In a way, it might be better to think of the artifacts and frameworks as two different but collaborative technologies. The framework provides a reusable environment for the artifacts, providing a standard method for handling errors, exchanging data, and enabling operations. The concept of an application framework is also simple. It is not contain components of the application program, dice but realize the function of a particular application domain general complete underlying services (excluding special applications). Program