Reseach On Multitier Framework Development Of Embedded WEB System

With the developm emt of e mbedded system and network techonology, we can found more and m ore advanced architecturalare wildly us ed in the process of W eb project. Struts2, a J2 EE developm ent architectural, which is based on ModelViewController(MVC)design,is popular us ed in Web project. But in traditional embedded system, especially in embedded web development, cgi standardmethod is still used. As tr aditional cgi is so old that it is not fitable for current embedded syste m developmemt,The MVC pattern helps you create applications that separate the different aspects of the application(i nput logic, business logic, and UI logic), while providing a loose coupling between these elements. This paper analyzes how to createa MVC based architecturalin embedded web system by C language.This paper discusses patten design, architectural and th eir relationships, introduce MVC patten design, and how to make normal source code finally into an architectural.Thisarchitectural can get rid of difficulty development process, and its name is ESP(Embedded Service Page). This paper refere nce Struts2 flow, choose its key process a s the main design of ESP. This paper discusses how to understand cgi, the core standard of embedded web system, and then discusse s how to choose web server, tansplant cgi lib, and libjpeg which is supported Im age processing, make transfer tool of htm l, support Ajax architecturaljQuery, and how to i mplement the keypoint of ESP framework by MVC architectural.Finally, this paper uses true project W80, a 3G router,and PON OL T6300 as examplesfrom scratch to im plememt ESPframework;show the standard coding style of Web development, and easily to m aintan in real embedded system development. These two examples verifies ESP has its valuable.