【摘要】 阐述了三层结构应用系统的开发方法 ,主要包括后台数据库的建立和维护 ,中间层的开发以及前端应用程序的开发 .后台数据库应具有数据的一致性和完整性 ,中间层需要具备高效稳定的为客户端服务 ,客户端则需要具备界面简洁、操作简单、功能完善等特点 .更多还原

【Abstract】 This paper illustrates the ways of design of Tri-tiered construction application system. It mainly includes the establishment and maintenance of backstage database and the developing of intermediate tier and former applied program. For the former, the established database should be consistent and integrate. For the intermediate tier, it should provide services to users efficiently and stably. And for the user-applied program, it should have characters of succinct interface, simple operation, complete function and suitable usage.更多还原