The design of Web applicaton based on B/S mode at the plarform J2EE is popular in China. In this paper,the new conception and architecture of apache jakarta J2EE is introduced, and then the working principle of J2EE is expounded.

• 使用J2EE(Java2PlatformEnterpriseEdition)开发B/S模式的网络应用(WebApplicaton)已经在国内广泛应用。