【摘要】 实现Three-Tier结构系统的关键技术是中间件技术。基于组件的中间件模型可适应现实应用多变的需求，同时降低应用客户端的复杂性，保证了快速升级和应用的高性能。给出一个通用的基于组件的中间件模型以及在高校招生系统中的应用与实现。更多还原

【Abstract】 Middleware technology is the key technology to implement three-tier structure system. The middleware model based on components is adapt to various demands in reality, reduces the client’s complexity and assures system’s high performance and quick upgrade. This paper presents a popular middleware based on components and gives a simple application in national college and university enrollment system on Internet.更多还原