The Design And Implementation Of The Exhibition Assistant System Based On J2EE

China’s exhibition industry developes very rapidly, but informatization construction is not enough.In the mobile Internet era, the exhibition industry has not kept pace with the times.Most exhibition websites are still at the stage of static pages.They are only used to publish information, and few have interaction.Therefore, the "Mobile Exhibition" can not be ignored the first one to enter the direction will lead the exhibition market.The exhibition assistant system studied in this paper is the integrated solution for the "Mobile Exhibition". Through app, official accounts of wechat and H5 pages.the system will connect everything about exhibition to provide important services including convention center, exhibition hall, exhibitors, guests and so on.This paper analyzes the basic project requirements, system design and module division.It focuses on the detailed design and implementation of three moduies,including the activity information module,the exhibition venues module and the exhibitor products module.The system uses J2EE architecture and MVC design pattern.It is combined with several frameworks, including Spring, Struts 2 and Mybatis.It is also a typical application scenarios of Spring framework.The system uses Maven as a project management tool and Git as a version control tool.It provides the perfect support for REST-style Web Service by Jersey. In the end, the user will enjoy these services through app, official accounts of wechat and H5 pages.